{
  "request": {
    "partnerAPIKey": "***",
    "rokuCustomerId": "RCID-XYZ-123",
    "productCode": "premium-monthly",
    "reason": "Customer requested cancellation"
  },
  "response": {
    "status": "Success",
    "errorCode": 0,
    "rokuCustomerId": "RCID-XYZ-123",
    "productCode": "premium-monthly",
    "effectiveDate": "2026-05-15T19:23:00Z"
  }
}