Liquidation push

{
   "id":"clientID12",
   "event":"subscribe",
   "success":true,
   "ts":1682243349558
}

{
   "topic":"liquidation",
   "ts":1684926668235,
   "data":[
      {
         "liquidationId":1,
         "timestamp":1684821114917,
         "type":"liquidated",
         "positionsByPerp":[
            {
               "symbol":"PERP_NEAR_USDC",
               "positionQty":12.6,
               "liquidatorFee":0.0175
            }
         ]
      },
      ...
   ]
}