Notification Bounced

{
  "data": {
    "ancillary": {
      "participant_unique_id2": "111111111-2222-3333333-4444444444",
      "session_id": "00000000-0000-0000-0000-000000000001",
      "notification_id": "1000001",
      "participant_unique_id1": "22222222-5555-3333333-4444444444"
    },
    "event": {
      "client_message": "IIP-003-EMAIL: NOTIFICATION TIMEOUT",
      "status": "1204"
    }
  },
  "metadata": {
    "version": "1",
    "topic_description": "This event reports a recipient notification as being bounced",
    "timestamp": 1752066064,
    "topic": "transaction.recipient.notification.status.bounced",
    "id": "prod1-123456-abcd-1234-ab12-c123d456e789"
  }
}