{
    "step": null,
    "invoice": {
        "date": {
            "day": "29",
            "month": "05",
            "year": "1405"
        },
        "number": "1392002369",
        "seller": {
            "name": "",
            "econ_code": "",
            "phone": "",
            "address": ""
        },
        "buyer": {
            "name": "",
            "econ_code": "",
            "phone": "",
            "address": ""
        },
        "tax": "",
        "discount": "",
        "discount_type": "percent",
        "notes": "",
        "items": []
    },
    "new_item": {
        "desc": "",
        "qty": 0,
        "unit": "",
        "price": 0
    },
    "screen_message_id": 11801
}