{ "id": "TXN-001", "accountId": "ACC-001", "amount": -1500.0, "currency": "CHF", "transactionDate": "2026-04-19T10:00:00Z", "valueDate": "2026-04-19", "description": "Rent payment April 2026", "transactionType": "DEBIT", "status": "BOOKED" }