{
  "Amount": 12.5,
  "NextBillingDate": "2026-06-02T12:00:00Z",
  "Subtotal": 12.5,
  "TotalExcludingTax": 12.5,
  "AmountDue": 12.5,
  "Tax": 1.0,
  "Items": [],
  "Discounts": []
}