ReturnResult«List«ProductContractVO»»(ReturnResult«List«ProductContractVO»»)

{
    "code": "string",
    "date": [
        {
            "contract": "string",
            "contractName": "string",
            "exchangeCd": "string",
            "exchangeCdName": "string",
            "id": 0,
            "lastTradeTime": "2019-08-24T14:15:22.123Z",
            "mainContract": 0,
            "minChgPriceNum": "string",
            "multiplier": 0,
            "priceUnit": "string",
            "productId": "string",
            "productName": "string",
            "tradeMarginRatio": 0
        }
    ],
    "msg": "string"
}