{
    "order_id": "10",
    "product1": {
        "product_type": "material",
        "material_id": 12,
        "quantity": "11"
    },
    "product2": {
        "product_type": "material",
        "material_id": 100,
        "quantity": 10,
        "warehouse_id": 100
    },
    "product3": {
        "product_type": "service",
        "name": "service1",
        "extra_field": "will be removed"
    }
}