{
  "merchant_name": "Example Harbor Repair - synthetic",
  "transaction_reference": "DEMO-TRANSACTION-0042",
  "case_reference": "DEMO-CASE-0042",
  "notice_date": "2026-09-30",
  "reason_code": "DEMO-REASON_CODE-0042",
  "disputed_amount": 1250,
  "response_deadline": "2026-11-30"
}