查询标记价格K线数据

curl https://cloud-api.wooxpro.com/contract/public/markprice-kline?symbol=BTCUSDT&step=5&start_time=1662518172&end_time=1662518172

{
  "code": 1000,
  "trace": "0cc6f4c4-8b8c-4253-8e90-8d3195aa109c",
  "message": "Ok",
  "data": [{
    "timestamp": 1662518160,
    "open_price": "100",
    "close_price": "120",
    "high_price": "130",
    "low_price": "90",
    "volume": "941008"
    },
    {
    "timestamp": 1662518161,
    "open_price": "99",
    "close_price": "119",
    "high_price": "129",
    "low_price": "89",
    "volume": "941008"
    }
  ]
}