{
  "event_type": "card_transaction.enhanced_data.created",
  "token": "uuid",
  "transaction_token": "uuid",
  "event_token": "uuid",
  "common": {
    "customer_reference_number": "string",
    "merchant_reference_number": "string",
    "order_date": "2026-07-18",
    "tax": {
      "amount": 0,
      "exempt": "TAX_INCLUDED",
      "merchant_tax_id": "string"
    },
    "line_items": [
      {
        "product_code": "string",
        "description": "string",
        "quantity": "string",
        "amount": "string"
      }
    ]
  },
  "fleet": [
    {
      "odometer": 0,
      "vehicle_number": "string",
      "driver_number": "string",
      "fuel": {
        "type": "UNKNOWN",
        "quantity": "string",
        "unit_price": 0,
        "unit_of_measure": "GALLONS"
      },
      "amount_totals": {
        "gross_sale": 0,
        "discount": 0,
        "net_sale": 0
      }
    }
  ]
}