{
    "step": null,
    "invoice": {
        "date": {
            "day": "",
            "month": "",
            "year": ""
        },
        "number": "7089",
        "seller": {
            "name": "باقری",
            "econ_code": "",
            "phone": "09128791766",
            "address": "تهران"
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        "buyer": {
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            "address": ""
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        "tax": "",
        "discount": "",
        "discount_type": "percent",
        "notes": "",
        "items": [
            {
                "desc": "کد ۲۵۳۵",
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                "unit": "عدد",
                "price": 1120000,
                "total": 4480000
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    "screen_message_id": 11770
}