Array
(
    [recipient] => Array
        (
            [id] => REMOVED_
        )
    [message] => Array
        (
            [attachment] => Array
                (
                    [type] => template
                    [payload] => Array
                        (
                            [template_type] => generic
                            [elements] => Array
                                (
                                    [0] => Array
                                        (
                                            [title] => title
                                            [image_url] => https://i.ytimg.com/vi/JIciUWPzTxM/hqdefault.jpg
                                            [subtitle] => body text
                                            [default_action] => Array
                                                (
                                                    [type] => web_url
                                                    [url] => https://www.google.nl/
                                                )

                                        )
                                    [buttons] => Array
                                        (
                                            [0] =>
                              {
                                "type":"postback",
                                "title":"Bookmark Item",
                                "payload":"DEVELOPER_DEFINED_PAYLOAD"
                              }
                                            [1] =>
                              {
                                "type":"postback",
                                "title":"Bookmark Item",
                                "payload":"DEVELOPER_DEFINED_PAYLOAD"
                              }
                                            [2] =>
                              {
                                "type":"postback",
                                "title":"Bookmark Item",
                                "payload":"DEVELOPER_DEFINED_PAYLOAD"
                              }
                                        )
                                )
                        )
                )
        )
)