{"e":"bookTicker",// Event type"u":17242169,// Order book update Id"s":"BTCUSD_200626",// Symbol"ps":"BTCUSD",// Pair"b":"9548.1",// Best bid price"B":"52",// Best bid qty"a":"9548.5",// Best ask price"A":"11",// Best ask qty"T":1591268628155,// Transaction time"E":1591268628166// Event time}