stdClass Object
(
    [token] => eyP7Ov8Jx3NFUPQPefWneLuz
    [team_id] => T21BYC736
    [api_app_id] => A3405LUNQ
    [event] => stdClass Object
        (
            [type] => message
            [user] => U26BHHDDX
            [text] => 123
            [ts] => 1493646806.588232
            [channel] => D352GD0G6
            [event_ts] => 1493646806.588232
        )

    [type] => event_callback
    [authed_users] => Array
        (
            [0] => U26BHHDDX
        )

    [event_id] => Ev56S7KYSW
    [event_time] => 1493646806
)
