行情登录不需要UserID和Password，但是建议提供UserID来作为con file的名称，否则会用随机的uuid作为con file的名称
{
"MsgType": "ReqUserLogin",
"ReqUserLogin": {
"UserID": "028742",
"Password": "123456"
}
}{
"MsgType": "RspUserLogin",
"RspInfo": {
"ErrorID": 0,
"ErrorMsg": "成功"
},
"RspUserLogin": {
"BrokerID": "",
"UserID": "",
"TradingDay": "20230318",
"SystemName": "MdServer"
}
}{
"MsgType": "SubscribeMarketData",
"InstrumentID": [
"au2305",
"rb2305",
"TA305"
]
}{
"MsgType": "RspSubscribeMarketData",
"SpecificInstrument": {
"InstrumentID": "au2305"
},
"RspInfo": {
"ErrorID": 0,
"ErrorMsg": ""
},
"RequestID": 0,
"IsLast": true
}{
"MsgType": "UnSubscribeMarketData",
"InstrumentID": [
"au2305",
"rb2305",
"TA305"
]
}{
"MsgType": "RspUnSubscribeMarketData",
"SpecificInstrument": {
"InstrumentID": "au2305"
},
"RspInfo": {
"ErrorID": 0,
"ErrorMsg": ""
},
"RequestID": 0,
"IsLast": true
}{
"MsgType": "RtnDepthMarketData",
"DepthMarketData": {
"ActionDay": "20230410",
"AskPrice1": 5535.000000000001,
"AskPrice2": 0.0,
"AskPrice3": 0.0,
"AskPrice4": 0.0,
"AskPrice5": 0.0,
"AskVolume1": 114,
"AskVolume2": 0,
"AskVolume3": 0,
"AskVolume4": 0,
"AskVolume5": 0,
"AveragePrice": 82908.07260063748,
"BandingLowerPrice": 0.0,
"BandingUpperPrice": 0.0,
"BidPrice1": 5534.000000000001,
"BidPrice2": 0.0,
"BidPrice3": 0.0,
"BidPrice4": 0.0,
"BidPrice5": 0.0,
"BidVolume1": 23,
"BidVolume2": 0,
"BidVolume3": 0,
"BidVolume4": 0,
"BidVolume5": 0,
"ClosePrice": 0.0,
"CurrDelta": 0.0,
"ExchangeID": "",
"ExchangeInstID": "",
"HighestPrice": 5537.000000000001,
"InstrumentID": "ag2306",
"LastPrice": 5534.000000000001,
"LowerLimitPrice": 5045.0,
"LowestPrice": 5518.000000000001,
"OpenInterest": 614690.0,
"OpenPrice": 5531.0,
"PreClosePrice": 5528.0,
"PreDelta": 0.0,
"PreOpenInterest": 613692.0,
"PreSettlementPrice": 5544.0,
"SettlementPrice": 0.0,
"TradingDay": "20230411",
"Turnover": 3511571415.0,
"UpdateMillisec": 0,
"UpdateTime": "21:10:58",
"UpperLimitPrice": 6042.0,
"Volume": 42355,
"reserve1": "",
"reserve2": ""
}
}