messenger_post.json

{
  "entry": [{
    "id": "170732843767218",
    "messaging": [{
      "message": {
        "mid": "mid.$cAACbR4sU9YJqcg-ACFkQMo3sqezB",
        "seq": 29877,
        "text": "hey bot!"
      },
      "recipient": {
        "id": "1234567890"
      },
      "sender": {
        "id": "1234567890"
      },
      "timestamp": 1530095351816
    }],
    "time": 1530095352541
  }],
  "object": "page"
}