{
  "update_id":4,
  "channel_post":{
    "from": {
      "last_name":"Test Lastname",
      "id":111111,
      "first_name":"Test Firstname",
      "username":"Testusername"
    },
    "chat": {
      "last_name":"Test Lastname",
      "id":111111,
      "first_name":"Test Firstname",
      "username":"Testusername",
      "type": "private"
    },
    "message_id":273,
    "date":1441645532,
    "sticker": {
      "width": 512,
      "height": 512,
      "emoji": "😄",
      "set_name": "HotCherry",
      "is_animated": true,
      "file_id": "stickerfileid",
      "file_size": 15455,
      "thumb": {
        "file_id": "stickerthumbfileid",
        "file_size": 4622,
        "width": 128,
        "height": 128
      }
    },
    "callback_token":"z5N_uxY_Fut81g",
    "bid":"435791794"
  }
}