{
  "5m": {
    "spot_usdt": {
      "asset": "BTC-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 101.202,
      "bucket_size": 1.002,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 99.198,
          "price_high": 100.2,
          "price_mid": 99.699,
          "depth_quote": 550.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 187.0,
            "bybit": 181.5,
            "okx": 181.5
          },
          "hhi": 0.3334,
          "persistence": 0.67,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 98.196,
          "price_high": 99.198,
          "price_mid": 98.697,
          "depth_quote": 55.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 55.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 102.204,
          "price_high": 103.206,
          "price_mid": 102.705,
          "depth_quote": 495.0,
          "venue_count": 2,
          "venue_depth_quote": {
            "binance": 247.5,
            "okx": 247.5
          },
          "hhi": 0.5,
          "persistence": 0.61,
          "spoof_risk_proxy": 0.15,
          "vacuum_score": 0.1
        },
        {
          "side": "ask",
          "price_low": 103.206,
          "price_high": 104.208,
          "price_mid": 103.707,
          "depth_quote": 49.5,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 49.5
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.91
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 99.198,
        "price_high": 100.2,
        "price_mid": 99.699,
        "depth_quote": 550.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 187.0,
          "bybit": 181.5,
          "okx": 181.5
        },
        "hhi": 0.3334,
        "persistence": 0.67,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 102.204,
        "price_high": 103.206,
        "price_mid": 102.705,
        "depth_quote": 495.0,
        "venue_count": 2,
        "venue_depth_quote": {
          "binance": 247.5,
          "okx": 247.5
        },
        "hhi": 0.5,
        "persistence": 0.61,
        "spoof_risk_proxy": 0.15,
        "vacuum_score": 0.1
      },
      "bid_depth_total": 605.0,
      "ask_depth_total": 544.5,
      "depth_imbalance": 0.052632,
      "status": "COMPOSITE_BOOK_OK",
      "notes": [
        "Illustrative synthetic sample; not live market data.",
        "Synthetic 5m public-depth fixture for dashboard multi-timeframe onboarding."
      ]
    }
  },
  "15m": {
    "spot_usdt": {
      "asset": "BTC-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 101.0,
      "bucket_size": 1.0,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 99.0,
          "price_high": 100.0,
          "price_mid": 99.5,
          "depth_quote": 1000.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 340.0,
            "bybit": 330.0,
            "okx": 330.0
          },
          "hhi": 0.3334,
          "persistence": 0.67,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 98.0,
          "price_high": 99.0,
          "price_mid": 98.5,
          "depth_quote": 100.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 100.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 102.0,
          "price_high": 103.0,
          "price_mid": 102.5,
          "depth_quote": 900.0,
          "venue_count": 2,
          "venue_depth_quote": {
            "binance": 450.0,
            "okx": 450.0
          },
          "hhi": 0.5,
          "persistence": 0.61,
          "spoof_risk_proxy": 0.15,
          "vacuum_score": 0.1
        },
        {
          "side": "ask",
          "price_low": 103.0,
          "price_high": 104.0,
          "price_mid": 103.5,
          "depth_quote": 90.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 90.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.91
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 99.0,
        "price_high": 100.0,
        "price_mid": 99.5,
        "depth_quote": 1000.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 340.0,
          "bybit": 330.0,
          "okx": 330.0
        },
        "hhi": 0.3334,
        "persistence": 0.67,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 102.0,
        "price_high": 103.0,
        "price_mid": 102.5,
        "depth_quote": 900.0,
        "venue_count": 2,
        "venue_depth_quote": {
          "binance": 450.0,
          "okx": 450.0
        },
        "hhi": 0.5,
        "persistence": 0.61,
        "spoof_risk_proxy": 0.15,
        "vacuum_score": 0.1
      },
      "bid_depth_total": 1100.0,
      "ask_depth_total": 990.0,
      "depth_imbalance": 0.052632,
      "status": "COMPOSITE_BOOK_OK",
      "notes": [
        "Illustrative synthetic sample; not live market data.",
        "Synthetic 15m public-depth fixture for dashboard multi-timeframe onboarding."
      ]
    }
  },
  "1h": {
    "spot_usdt": {
      "asset": "BTC-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 100.495,
      "bucket_size": 0.995,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 98.505,
          "price_high": 99.5,
          "price_mid": 99.0025,
          "depth_quote": 2400.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 816.0,
            "bybit": 792.0,
            "okx": 792.0
          },
          "hhi": 0.3334,
          "persistence": 0.67,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 97.51,
          "price_high": 98.505,
          "price_mid": 98.0075,
          "depth_quote": 240.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 240.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 101.49,
          "price_high": 102.485,
          "price_mid": 101.9875,
          "depth_quote": 2160.0,
          "venue_count": 2,
          "venue_depth_quote": {
            "binance": 1080.0,
            "okx": 1080.0
          },
          "hhi": 0.5,
          "persistence": 0.61,
          "spoof_risk_proxy": 0.15,
          "vacuum_score": 0.1
        },
        {
          "side": "ask",
          "price_low": 102.485,
          "price_high": 103.48,
          "price_mid": 102.9825,
          "depth_quote": 216.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 216.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.91
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 98.505,
        "price_high": 99.5,
        "price_mid": 99.0025,
        "depth_quote": 2400.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 816.0,
          "bybit": 792.0,
          "okx": 792.0
        },
        "hhi": 0.3334,
        "persistence": 0.67,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 101.49,
        "price_high": 102.485,
        "price_mid": 101.9875,
        "depth_quote": 2160.0,
        "venue_count": 2,
        "venue_depth_quote": {
          "binance": 1080.0,
          "okx": 1080.0
        },
        "hhi": 0.5,
        "persistence": 0.61,
        "spoof_risk_proxy": 0.15,
        "vacuum_score": 0.1
      },
      "bid_depth_total": 2640.0,
      "ask_depth_total": 2376.0,
      "depth_imbalance": 0.052632,
      "status": "COMPOSITE_BOOK_OK",
      "notes": [
        "Illustrative synthetic sample; not live market data.",
        "Synthetic 1h public-depth fixture for dashboard multi-timeframe onboarding."
      ]
    }
  }
}