DyProductExt

{
    "auto_online": "string",
    "test_extra": {
        "uids": [
            "string"
        ],
        "test_flag": true
    },
    "display_price": {
        "low_price": 0,
        "high_price": 0
    },
    "refund_extra": {
        "book_need_confirm": true,
        "deduct_fee_amount": 0
    }
}