{
    "order_id": "-10",
    "products": [
        {
            "product_type": "material",
            "material_id": 0,
            "quantity": ""
        },
        {
            "product_type": "material",
            "material_id": 100,
            "quantity": 10,
            "warehouse_id": -100
        },
        {
            "product_type": "service",
            "name": "Very Long Name"
        },
        "Some Wrong Data"
    ],
    "users": "not an array"
}