{
  "account_id": "9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d",
  "kind": "kyb",
  "event": "approved",
  "submission_id": "e5f6a7b8-c9d0-4e1f-2a3b-4c5d6e7f8091",
  "external_customer_id": "cust_456",
  "status": "approved",
  "risk_band": "low",
  "decision_source": "auto"
}