查询所有交易对杠杆分层

GET: /v1/future-u/market/public/leverage/bracket/list

注：此方法不需要签名

Response

{
 "msgInfo": {
    "code": "",
    "msg": ""
  },
  "msg": "",
  "data": [
    {
      "leverageBrackets": [
        {
          "bracket": 0, //档位
          "maintMarginRate": 0, //维持保证金率
          "maxLeverage": 0, //最大杠杆倍数
          "maxNominalValue": 0, //该层最大名义价值
          "maxStartMarginRate": 0, //最大起始保证金率
          "minLeverage": 0, //最小杠杆倍数
          "startMarginRate": 0, //起始保证金率
          "symbol": "" //交易对
        }
      ],
      "symbol": ""
    }
  ],
  "code": 200
}