{
  "sample_type": "schema_only",
  "schema_version": "l2_snapshot_v1",
  "notice": "Illustrative values for pipeline inspection; not a certified historical market record.",
  "partition": "date/venue/symbol",
  "format": "parquet",
  "fields": [
    { "name": "venue", "type": "string", "example": "hyperliquid" },
    { "name": "symbol", "type": "string", "example": "BTC" },
    { "name": "venue_time", "type": "int64", "unit": "epoch_ms" },
    { "name": "capture_time", "type": "int64", "unit": "epoch_ns" },
    { "name": "side", "type": "enum", "values": ["bid", "ask"] },
    { "name": "level", "type": "uint8", "range": [0, 19] },
    { "name": "price", "type": "decimal", "unit": "quote" },
    { "name": "size", "type": "decimal", "unit": "base" }
  ],
  "example_rows": [
    {
      "venue": "hyperliquid",
      "symbol": "BTC",
      "venue_time": 1786881600000,
      "capture_time": 1786881600000000000,
      "side": "bid",
      "level": 0,
      "price": "118432.0",
      "size": "0.3186"
    },
    {
      "venue": "hyperliquid",
      "symbol": "BTC",
      "venue_time": 1786881600000,
      "capture_time": 1786881600000000000,
      "side": "ask",
      "level": 0,
      "price": "118433.0",
      "size": "0.1264"
    }
  ]
}