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

{
  "channel": "DATA",
  "topic": "quote.SSI@tick",
  "data": {
    "s": "SSI",
    "t": "2026/07/29 09:15:32",
    "bids": [
      [
        "45.45",
        "3200"
      ],
      [
        "45.40",
        "1500"
      ]
    ],
    "asks": [
      [
        "45.50",
        "2800"
      ],
      [
        "45.55",
        "1900"
      ]
    ]
  }
}