[{"symbol":"BTCUSD_PERP","pair":"BTCUSD","markPrice":"11029.69574559",// mark price"indexPrice":"10979.14437500",// index price"estimatedSettlePrice":"10981.74168236",// Estimated Settle Price, only useful in the last hour before the settlement starts."lastFundingRate":"0.00071003",// the lasted funding rate, for perpetual contract symbols only. For delivery symbols, "" will be shown."interestRate":"0.00010000",// the base asset interest rate, for perpetual contract symbols only. For delivery symbols, "" will be shown."nextFundingTime":1596096000000,// For perpetual contract symbols only. For delivery symbols, 0 will be shown"time":1596094042000},{"symbol":"BTCUSD_200925","pair":"BTCUSD","markPrice":"12077.01343750","indexPrice":"10979.10312500","estimatedSettlePrice":"10981.74168236","lastFundingRate":"","interestRate":"","nextFundingTime":0,"time":1596094042000}]