{
    "step": "new_item_qty",
    "invoice": {
        "date": {
            "day": "10",
            "month": "06",
            "year": "1405"
        },
        "number": "",
        "seller": {
            "name": "",
            "econ_code": "",
            "phone": "",
            "address": ""
        },
        "buyer": {
            "name": "مشتری عمومی",
            "econ_code": "",
            "phone": "",
            "address": ""
        },
        "tax": "",
        "discount": "",
        "discount_type": "percent",
        "notes": "",
        "items": []
    },
    "new_item": {
        "desc": "سویچر 1724 نکست",
        "qty": 0,
        "unit": "",
        "price": 0
    },
    "screen_message_id": 11958
}