{
  "action": "subscribe",
  "channels": [
    {
      "name": "tick_extra.G1.json",
      "symbols": [
        "HPG"
      ]
    }
  ]
}

{
  "T": "te",
  "avgPrice": 21.006,
  "boardId": "G1",
  "grossTradeAmount": 218.2127,
  "highestPrice": 21.2,
  "isin": "VN000000HPG4",
  "lowestPrice": 20.9,
  "marketId": "STO",
  "matchPrice": 21,
  "matchQtty": 50,
  "multicastReceiveTime": {
    "Nanos": 518530993,
    "Seconds": 1787121509
  },
  "openPrice": 21.1,
  "side": "SELL",
  "symbol": "HPG",
  "time": {
    "Nanos": 879000000,
    "Seconds": 1787121511
  },
  "totalVolumeTraded": 1038820,
  "tradingSessionId": "40"
}