graph LR; A("订阅：{'event':'login','data':{'token':'xxx'}}")-->B("返回：{'event':'login','data':'success'}");

graph LR; A("服务端会定时发送：{'event':'ping','data':1692112271}")-->B("客户端收到需要发送：{'event':'pong'}");

graph TB; A("订阅：{'event':'subscribe.kline1min', 'data':{'market':'OP','channel':'btcusdt'}}")-->B("返回：{'event':'kline1min', 'data':{'id':1634135940,'open':55613.69,'close':55613.69,'low':55613.69,'high':55613.69,'amount':0.012949,'vol':720.14167181,'count':1}}")

graph TB; A("订阅：{'event':'subscribe.depth','data':{'market':'OP','channel':'btcusdt'}}")-->B("返回：{'event':'depth','data':
{'bids':[[55741.93,0.115543],[55738.99,0.0002],[55734.88,0.1],[55732.77,0.001],[55732.5,0.043308],[55731.54,0.002263],[55728.68,0.4],[55728.01,0.008],[55728,0.02691],[55726.48,0.021081]],
'asks':[[55741.94,0.732718],[55741.95,0.004283],[55741.99,0.0002],[55744.16,0.2],[55745.33,0.0025],[55746.94,0.095016],[55747.19,0.2],[55749.31,0.001895],[55749.35,0.015],[55750.01,0.2]]}}")

graph TB; A("订阅：{'event':'subscribe','data':{'market':'OP','channel':'btcusdt'}}")-->B("返回：{'event':'tick','data':{'price':'55730.75','name':'btcusdt'}}")