{
   "id":"clientID11",
   "event":"subscribe",
   "success":true,
   "ts":1682242408023
}

{
  "topic": "traders_open_interests",
  "ts": 1618820615000,
  "data": [
    {
      "symbol": "PERP_BTC_USDC",
      "long_oi": 31000,
      "short_oi": 31000
    },
    {
      "symbol": "PERP_ETH_USDC",
      "long_oi": 31000,
      "short_oi": 31000
    }
  ]
}
Push interval: every 1m 
{
    "id": "clientID11",
    "topic": "traders_open_interest",
    "event": "subscribe"
}
Parameters
NameTypeRequiredDescription
idstringYid generate by client
eventstringYsubscribe/unsubscribe
topicstringNtraders_open_interest
{
   "id":"clientID11",
   "event":"subscribe",
   "success":true,
   "ts":1682242408023
}

{
  "topic": "traders_open_interests",
  "ts": 1618820615000,
  "data": [
    {
      "symbol": "PERP_BTC_USDC",
      "long_oi": 31000,
      "short_oi": 31000
    },
    {
      "symbol": "PERP_ETH_USDC",
      "long_oi": 31000,
      "short_oi": 31000
    }
  ]
}