{
  "carrier_name": "Example Carrier - synthetic",
  "invoice_reference": "DEMO-INVOICE-0042",
  "invoice_date": "2026-09-30",
  "account_reference": "DEMO-ACCOUNT-0042",
  "parcel_charge_rows": [
    {
      "tracking_reference": "DEMO-TRACKING-0042",
      "charge_type": "Example charge type - synthetic",
      "service_date": "2026-09-30",
      "billed_weight": 12,
      "weight_unit": "lb",
      "amount": 1250
    }
  ],
  "stated_total": 1250
}