RT REST 2.0 Ticket History

$VAR1 = 'ticket/47';
$VAR2 = {
          'Cc' => [],
          'Creator' => {
                         'id' => 'carl',
                         '_url' => 'http://localhost/rt/REST/2.0/user/carl',
                         'type' => 'user'
                       },
          'LastUpdated' => '2018-02-19T17:58:50Z',
          'AdminCc' => [],
          'Queue' => {
                       'id' => '3',
                       '_url' => 'http://localhost/rt/REST/2.0/queue/3',
                       'type' => 'queue'
                     },
          'Started' => '1970-01-01T00:00:00Z',
          'CustomFields' => {
                              '7' => [],
                              '10' => [
                                        'test'
                                      ],
                              '8' => [],
                              '2' => [],
                              '9' => [],
                              '6' => []
                            },
          'Subject' => 'Test',
          'Type' => 'ticket',
          'EffectiveId' => {
                             'id' => '47',
                             '_url' => 'http://localhost/rt/REST/2.0/ticket/47',
                             'type' => 'ticket'
                           },
          'Priority' => '0',
          'TimeWorked' => '0',
          'TimeEstimated' => '0',
          'Requestor' => [
                           {
                             'type' => 'user',
                             '_url' => 'http://localhost/rt/REST/2.0/user/carl',
                             'id' => 'carl'
                           }
                         ],
          'Starts' => '1970-01-01T00:00:00Z',
          '_hyperlinks' => [
                             {
                               'type' => 'ticket',
                               'ref' => 'self',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47',
                               'id' => '47'
                             },
                             {
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/2',
                               'ref' => 'customfield',
                               'id' => '2',
                               'type' => 'customfield'
                             },
                             {
                               'type' => 'customfield',
                               'ref' => 'customfield',
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/6',
                               'id' => '6'
                             },
                             {
                               'type' => 'customfield',
                               'ref' => 'customfield',
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/7',
                               'id' => '7'
                             },
                             {
                               'id' => '10',
                               'ref' => 'customfield',
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/10',
                               'type' => 'customfield'
                             },
                             {
                               'id' => '8',
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/8',
                               'ref' => 'customfield',
                               'type' => 'customfield'
                             },
                             {
                               'id' => '9',
                               '_url' => 'http://localhost/rt/REST/2.0/customfield/9',
                               'ref' => 'customfield',
                               'type' => 'customfield'
                             },
                             {
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/history',
                               'ref' => 'history'
                             },
                             {
                               'ref' => 'correspond',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/correspond'
                             },
                             {
                               'ref' => 'comment',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/comment'
                             },
                             {
                               'update' => 'Respond',
                               'from' => 'new',
                               'to' => 'open',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/correspond',
                               'ref' => 'lifecycle',
                               'label' => 'Open It'
                             },
                             {
                               'update' => 'Comment',
                               'from' => 'new',
                               'to' => 'resolved',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/comment',
                               'label' => 'Resolve',
                               'ref' => 'lifecycle'
                             },
                             {
                               'from' => 'new',
                               'update' => 'Respond',
                               'to' => 'rejected',
                               'label' => 'Reject',
                               'ref' => 'lifecycle',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47/correspond'
                             },
                             {
                               'ref' => 'lifecycle',
                               'label' => 'Delete',
                               '_url' => 'http://localhost/rt/REST/2.0/ticket/47',
                               'from' => 'new',
                               'to' => 'deleted'
                             }
                           ],
          'TimeLeft' => '0',
          'Created' => '2018-02-19T17:31:41Z',
          'InitialPriority' => '0',
          'Due' => '1970-01-01T00:00:00Z',
          'FinalPriority' => '0',
          'LastUpdatedBy' => {
                               'type' => 'user',
                               'id' => 'carl',
                               '_url' => 'http://localhost/rt/REST/2.0/user/carl'
                             },
          'Resolved' => '1970-01-01T00:00:00Z',
          'Owner' => {
                       'id' => 'Nobody',
                       '_url' => 'http://localhost/rt/REST/2.0/user/Nobody',
                       'type' => 'user'
                     },
          'id' => '47',
          'Status' => 'new'
        };
#################################################################################################################
$VAR1 = 'ticket/47/history';
$VAR2 = {
          'count' => 2,
          'total' => 3,
          'page' => 1,
          'per_page' => 20,
          'items' => [
                       {
                         'type' => 'transaction',
                         '_url' => 'http://localhost/rt/REST/2.0/transaction/572',
                         'id' => '572'
                       },
                       {
                         '_url' => 'http://localhost/rt/REST/2.0/transaction/574',
                         'id' => '574',
                         'type' => 'transaction'
                       }
                     ]
        };
#################################################################################################################
$VAR1 = 'transaction/572';
$VAR2 = {
          'Created' => '2018-02-19T17:31:41Z',
          'TimeTaken' => '0',
          'Creator' => {
                         'id' => 'carl',
                         '_url' => 'http://localhost/rt/REST/2.0/user/carl',
                         'type' => 'user'
                       },
          'Type' => 'Create',
          'Object' => {
                        '_url' => 'http://localhost/rt/REST/2.0/ticket/47',
                        'id' => '47',
                        'type' => 'ticket'
                      },
          'id' => '572',
          '_hyperlinks' => [
                             {
                               'type' => 'transaction',
                               'id' => '572',
                               '_url' => 'http://localhost/rt/REST/2.0/transaction/572',
                               'ref' => 'self'
                             },
                             {
                               '_url' => 'http://localhost/rt/REST/2.0/attachment/331',
                               'ref' => 'attachment'
                             }
                           ]
        };
#################################################################################################################
$VAR1 = 'attachment/331';
$VAR2 = {
          'ContentType' => 'text/html',
          'Parent' => '0',
          'Subject' => 'Test',
          'id' => '331',
          'MessageId' => 'rt-4.4.2-775-1519061501-42.0-0-0@leathersfuels.net',
          'Created' => '2018-02-19T17:31:41Z',
          'Headers' => 'Content-Type: text/html; charset="utf-8"
X-RT-Interface: Web
Date: Mon, 19 Feb 2018 09:31:41 -0800
X-Mailer: MIME-tools 5.508 (Entity 5.508)
Subject: Test
Message-ID: <rt-4.4.2-775-1519061501-42.0-0-0@leathersfuels.net>
MIME-Version: 1.0
From: carl@leathersfuels.net
Content-Disposition: inline
Content-Transfer-Encoding: binary
X-RT-Original-Encoding: utf-8
Content-Length: 31',
          'Content' => 'This is a test initial content.',
          '_hyperlinks' => [
                             {
                               'id' => '331',
                               '_url' => 'http://localhost/rt/REST/2.0/attachment/331',
                               'ref' => 'self',
                               'type' => 'attachment'
                             }
                           ],
          'TransactionId' => {
                               'type' => 'transaction',
                               '_url' => 'http://localhost/rt/REST/2.0/transaction/572',
                               'id' => '572'
                             },
          'Creator' => {
                         'type' => 'user',
                         '_url' => 'http://localhost/rt/REST/2.0/user/carl',
                         'id' => 'carl'
                       }
        };
#################################################################################################################
$VAR1 = 'transaction/574';
$VAR2 = {
          'id' => '574',
          'Type' => 'Comment',
          'Created' => '2018-02-19T17:58:50Z',
          'TimeTaken' => '0',
          'Data' => 'No Subject',
          'Object' => {
                        '_url' => 'http://localhost/rt/REST/2.0/ticket/47',
                        'id' => '47',
                        'type' => 'ticket'
                      },
          '_hyperlinks' => [
                             {
                               'type' => 'transaction',
                               'id' => '574',
                               'ref' => 'self',
                               '_url' => 'http://localhost/rt/REST/2.0/transaction/574'
                             },
                             {
                               '_url' => 'http://localhost/rt/REST/2.0/attachment/335',
                               'ref' => 'attachment'
                             }
                           ],
          'Creator' => {
                         'type' => 'user',
                         '_url' => 'http://localhost/rt/REST/2.0/user/carl',
                         'id' => 'carl'
                       }
        };
#################################################################################################################
$VAR1 = 'attachment/335';
$VAR2 = {
          'TransactionId' => {
                               'type' => 'transaction',
                               'id' => '574',
                               '_url' => 'http://localhost/rt/REST/2.0/transaction/574'
                             },
          'Creator' => {
                         'type' => 'user',
                         'id' => 'carl',
                         '_url' => 'http://localhost/rt/REST/2.0/user/carl'
                       },
          '_hyperlinks' => [
                             {
                               'id' => '335',
                               'ref' => 'self',
                               '_url' => 'http://localhost/rt/REST/2.0/attachment/335',
                               'type' => 'attachment'
                             }
                           ],
          'Content' => 'This is a comment added after the ticket was created.',
          'Headers' => 'In-Reply-To: <rt-4.4.2-775-1519061501-42.0-0-0@leathersfuels.net>
Content-Type: text/html; charset="utf-8"
X-RT-Interface: Web
X-Mailer: MIME-tools 5.508 (Entity 5.508)
Message-ID: <rt-4.4.2-804-1519063130-182.47-0-0@leathersfuels.net>
MIME-Version: 1.0
References: <rt-4.4.2-775-1519061501-42.0-0-0@leathersfuels.net>
 <RT-Ticket-47@leathersfuels.net>
X-RT-Original-Encoding: utf-8
Content-Disposition: inline
Content-Transfer-Encoding: binary
Content-Length: 53',
          'Created' => '2018-02-19T17:58:50Z',
          'Subject' => '',
          'Parent' => '0',
          'MessageId' => 'rt-4.4.2-804-1519063130-182.47-0-0@leathersfuels.net',
          'id' => '335',
          'ContentType' => 'text/html'
        };