{
    "invoiceRequest": {
        "invoiceType": "Normal",
        "transactionType": "Sale",
        "payment": [
            {
                "amount": 100.00,
                "paymentType": "Cash"
            }
        ],
        "items": [
            {
                "name": "Artikl 1",
                "labels": [
                    "F"
                ],
                "totalAmount": 100.00,
                "unitPrice": 50.00,
                "quantity": 2.000
            }
        ],
        "cashier": "Radnik 1"
    }
}