{
  "method": "SUBSCRIBE",
  "channel": "DATA",
  "topics": [
    "trade.SSI",
    "quote.ACB-SSI-GVR-KDH",
    "room.vn30",
    "put.hose",
    "oddlot.SSI",
    "market.hose"
  ]
}

{
  "channel": "DATA",
  "topic": "put.SSI@tick",
  "data": {
    "s": "SSI",
    "t": "2026/07/29 10:05:12",
    "p": "45.00",
    "q": "50000",
    "tq": "350000",
    "tv": "15750000000"
  }
}