STATUS: 400

HEADERS:
{'Date': 'Fri, 05 Jun 2026 08:29:28 GMT', 'Content-Type': 'application/json', 'Content-Length': '140', 'Connection': 'keep-alive', 'validation-exception': 'true', 'x-request-id': 'a2647190-16a2-4462-88ba-593a631353bb', 'x-tenant-id': 'finrelay-uat', 'x-tenant-resolved': 'true'}

BODY:
{
  "title": "Constraint Violation",
  "status": 400,
  "violations": [
    {
      "field": "requestAuthentication.arg1.paymentData",
      "message": "must not be null"
    }
  ]
}