{
  "update_id": 10001,
  "channel_post": {
    "chat": {
      "id": 123456789,
      "title": "Bot Channel",
      "type": "channel"
    },
    "entities": [
      {
        "offset": 0,
        "length": 6,
        "type": "bot_command"
      }
    ],
    "date": 1566317998,
    "message_id": 7,
    "text": "/start"
  },
  "bid": "0987654321",
  "callback_token": "FidczWOKOLysIQ"
}