{

"api_app_id": "AXXXXXXXXX",
"authed_users": [
  "UXXXXXXX1",
  "UXXXXXXX2"
],
"event": {
},
"event_id": "Ev08MFMKH6",
"event_time": 1234567890,
"team_id": "TXXXXXXXX",
"token": "XXYYZZ",
"type": "event_callback"

}