{
  "paymentId": "048d4f83-2631-5dc9-ad9f-a6a4c0f3b3a7",
  "fromAccount": "ACC-1001",
  "toAccount": "ACC-6006",
  "amount": "12.345",
  "date": "2026-10-31T12:00:00+03:00",
  "purpose": "Shared idempotency fixture"
}