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Push interval: 10ms 
{
    "id": "clientID5",
    "topic": "PERP_WOO_USDC@bbo",
    "event": "subscribe"
}
Parameters
NameTypeRequiredDescription
idstringYid generate by client
eventstringYsubscribe/unsubscribe
topicstringY{symbol}@bbo
{
    "id": "clientID5",
    "event": "subscribe",
    "success": true,
    "ts": 1609924478533
}

{
    "topic": "PERP_WOO_USDC@bbo",
    "ts": 1614152296945,
    "data": {
        "symbol": "PERP_WOO_USDC",
        "ask": 0.30939,
        "askSize": 4508.53,
        "bid": 0.30776,
        "bidSize": 25246.14
    }
}