{
    "invoice_number": "",
    "grossSales": 20440000,
    "netSales": 0,
    "tax_amount": 0,
    "tax_rate": 0,
    "bill_date": "",
    "delivery_date": "",
    "service_date": "",
    "due_date": "",
    "vat_id": "",
    "tax_id": "",
    "address": {
        "name": "",
        "address": "",
        "city": "",
        "country": ""
    },
    "iban": "",
    "elements": [],
    "language": "de",
    "currency": "EUR",
    "email": "",
    "website": "",
    "phone": ""
}