Fund rate

request

format: fund_rate@{symbol}

eg: fund_rate@btc_usdt

rate: 60s

Response

{
    "topic": "fund_rate", 
    "event": "fund_rate@btc_usdt", 
    "data": {
        "s":"btc_usdt", //Trading pair
        "r":"0.01",    // Fund fee
        "t":123124124   //timestamp
   }
}