Meaning?

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        },
        "conversation": {
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          },
          "type": "STICKY_ONE_TO_ONE",
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                "chat_id": "100421023208715501271"
              },
              "latest_read_timestamp": "1385864758807492"
            },
            "status": "ACTIVE",
            "notification_level": "RING",
            "view": [
              "ARCHIVED_VIEW"
            ],
            "inviter_id": {
              "gaia_id": "100421023208715501271",
              "chat_id": "100421023208715501271"
            },
            "invite_timestamp": "1385864717048000",
            "sort_timestamp": "1385864758807492",
            "active_timestamp": "1385864717048000",
            "delivery_medium_option": [
              {
                "delivery_medium": {
                  "medium_type": "BABEL_MEDIUM"
                },
                "current_default": true
              }
            ],
            "is_guest": false
          },
          "read_state": [
            {
              "participant_id": {
                "gaia_id": "115277013112558946953",
                "chat_id": "115277013112558946953"
              },
              "latest_read_timestamp": "0"
            },
            {
              "participant_id": {
                "gaia_id": "100421023208715501271",
                "chat_id": "100421023208715501271"
              },
              "latest_read_timestamp": "1385864758807492"
            }
          ],
          "has_active_hangout": false,
          "otr_status": "ON_THE_RECORD",
          "otr_toggle": "ENABLED",
          "current_participant": [
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              "chat_id": "115277013112558946953"
            },
            {
              "gaia_id": "100421023208715501271",
              "chat_id": "100421023208715501271"
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          ],
          "participant_data": [
            {
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                "chat_id": "115277013112558946953"
              },
              "invitation_status": "PENDING_INVITATION",
              "participant_type": "GAIA",
              "new_invitation_status": "PENDING_INVITATION",
              "in_different_customer_as_requester": false,
              "domain_id": "105250506097979753968"
            },
            {
              "id": {
                "gaia_id": "100421023208715501271",
                "chat_id": "100421023208715501271"
              },
              "fallback_name": "Patrick Eringaard",
              "invitation_status": "ACCEPTED_INVITATION",
              "participant_type": "GAIA",
              "new_invitation_status": "ACCEPTED_INVITATION",
              "in_different_customer_as_requester": false,
              "domain_id": "105250506097979753968"
            }
          ],
          "fork_on_external_invite": false,
          "network_type": [
            "BABEL"
          ],
          "force_history_state": "NO_FORCE",
          "group_link_sharing_status": "LINK_SHARING_OFF"
        }
      },
      "events": [
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          },
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            "chat_id": "100421023208715501271"
          },
          "timestamp": "1385864721786619",
          "self_event_state": {
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              "chat_id": "100421023208715501271"
            },
            "client_generated_id": "1385864721599",
            "notification_level": "RING"
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          "hangout_event": {
            "event_type": "START_HANGOUT",
            "participant_id": [
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                "chat_id": "100421023208715501271"
              }
            ]
          },
          "event_id": "7-H0Z7-9-E-7-H0ZgjqOi_",
          "advances_sort_timestamp": true,
          "event_otr": "ON_THE_RECORD",
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          },
          "event_type": "HANGOUT_EVENT",
          "event_version": "1385864721786619"
        },
        {
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          },
          "sender_id": {
            "gaia_id": "100421023208715501271",
            "chat_id": "100421023208715501271"
          },
          "timestamp": "1385864758807492",
          "self_event_state": {
            "user_id": {
              "gaia_id": "100421023208715501271",
              "chat_id": "100421023208715501271"
            },
            "client_generated_id": "1385864758651",
            "notification_level": "RING"
          },
          "hangout_event": {
            "event_type": "END_HANGOUT",
            "participant_id": [
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                "chat_id": "100421023208715501271"
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            ],
            "hangout_duration_secs": "37"
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          "event_id": "7-H0Z7-9-E-7-H0dCy8P4-",
          "advances_sort_timestamp": true,
          "event_otr": "ON_THE_RECORD",
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          },
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  ]
}