{
  "specversion": "1.0",
  "id": "msg-000977",
  "source": "urn:hos:messaging:demo",
  "type": "guest.message.received",
  "time": "2026-07-30T09:40:00Z",
  "datacontenttype": "application/json",
  "hosschemaversion": "0.1",
  "hosrecordedat": "2026-07-30T09:40:04Z",
  "hostenant": "tenant_demo",
  "hosproperty": "prop_demo",
  "hospropertytimezone": "Europe/Paris",
  "hosbusinessdate": "2026-07-30",
  "hossubjects": "message:msg_51_2 stay:stay_1042 guest:guest_7q2k",
  "data": {
    "message_id": "msg_51_2",
    "channel": "messaging_app",
    "guest_id": "guest_7q2k",
    "stay_id": "stay_1042",
    "sensitivity": "confidential",
    "signals": [
      {
        "kind": "early_arrival",
        "expected_arrival_at": "2026-07-30T10:30:00Z",
        "confidence": 0.92
      }
    ]
  }
}