{
  "5m": {
    "spot_usdt": {
      "asset": "ETH-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 50.6515,
      "bucket_size": 0.5015,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 50.15,
          "price_high": 50.6515,
          "price_mid": 50.40075,
          "depth_quote": 480.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 168.0,
            "bybit": 156.0,
            "okx": 156.0
          },
          "hhi": 0.33375,
          "persistence": 0.66,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 49.6485,
          "price_high": 50.15,
          "price_mid": 49.89925,
          "depth_quote": 48.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 48.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 50.6515,
          "price_high": 51.153,
          "price_mid": 50.90225,
          "depth_quote": 468.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 156.0,
            "bybit": 156.0,
            "okx": 156.0
          },
          "hhi": 0.333333,
          "persistence": 0.64,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0.025
        },
        {
          "side": "ask",
          "price_low": 51.153,
          "price_high": 51.6545,
          "price_mid": 51.40375,
          "depth_quote": 42.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 42.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9125
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 50.15,
        "price_high": 50.6515,
        "price_mid": 50.40075,
        "depth_quote": 480.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 168.0,
          "bybit": 156.0,
          "okx": 156.0
        },
        "hhi": 0.33375,
        "persistence": 0.66,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 50.6515,
        "price_high": 51.153,
        "price_mid": 50.90225,
        "depth_quote": 468.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 156.0,
          "bybit": 156.0,
          "okx": 156.0
        },
        "hhi": 0.333333,
        "persistence": 0.64,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0.025
      },
      "bid_depth_total": 528.0,
      "ask_depth_total": 510.0,
      "depth_imbalance": 0.017341,
      "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": "ETH-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 50.5,
      "bucket_size": 0.5,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 50.0,
          "price_high": 50.5,
          "price_mid": 50.25,
          "depth_quote": 800.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 280.0,
            "bybit": 260.0,
            "okx": 260.0
          },
          "hhi": 0.33375,
          "persistence": 0.66,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 49.5,
          "price_high": 50.0,
          "price_mid": 49.75,
          "depth_quote": 80.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 80.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 50.5,
          "price_high": 51.0,
          "price_mid": 50.75,
          "depth_quote": 780.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 260.0,
            "bybit": 260.0,
            "okx": 260.0
          },
          "hhi": 0.333333,
          "persistence": 0.64,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0.025
        },
        {
          "side": "ask",
          "price_low": 51.0,
          "price_high": 51.5,
          "price_mid": 51.25,
          "depth_quote": 70.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 70.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9125
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 50.0,
        "price_high": 50.5,
        "price_mid": 50.25,
        "depth_quote": 800.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 280.0,
          "bybit": 260.0,
          "okx": 260.0
        },
        "hhi": 0.33375,
        "persistence": 0.66,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 50.5,
        "price_high": 51.0,
        "price_mid": 50.75,
        "depth_quote": 780.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 260.0,
          "bybit": 260.0,
          "okx": 260.0
        },
        "hhi": 0.333333,
        "persistence": 0.64,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0.025
      },
      "bid_depth_total": 880.0,
      "ask_depth_total": 850.0,
      "depth_imbalance": 0.017341,
      "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": "ETH-USDT",
      "market_type": "spot_usdt",
      "generated_at_ms": 1700000000000,
      "reference_price": 50.096,
      "bucket_size": 0.496,
      "expected_venues": [
        "binance",
        "okx",
        "bybit"
      ],
      "venue_count": 3,
      "coverage": 1,
      "bid_levels": [
        {
          "side": "bid",
          "price_low": 49.6,
          "price_high": 50.096,
          "price_mid": 49.848,
          "depth_quote": 1680.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 588.0,
            "bybit": 546.0,
            "okx": 546.0
          },
          "hhi": 0.33375,
          "persistence": 0.66,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0
        },
        {
          "side": "bid",
          "price_low": 49.104,
          "price_high": 49.6,
          "price_mid": 49.352,
          "depth_quote": 168.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "binance": 168.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9
        }
      ],
      "ask_levels": [
        {
          "side": "ask",
          "price_low": 50.096,
          "price_high": 50.592,
          "price_mid": 50.344,
          "depth_quote": 1638.0,
          "venue_count": 3,
          "venue_depth_quote": {
            "binance": 546.0,
            "bybit": 546.0,
            "okx": 546.0
          },
          "hhi": 0.333333,
          "persistence": 0.64,
          "spoof_risk_proxy": 0.05,
          "vacuum_score": 0.025
        },
        {
          "side": "ask",
          "price_low": 50.592,
          "price_high": 51.088,
          "price_mid": 50.84,
          "depth_quote": 147.0,
          "venue_count": 1,
          "venue_depth_quote": {
            "bybit": 147.0
          },
          "hhi": 1,
          "persistence": 0.35,
          "spoof_risk_proxy": 0.7,
          "vacuum_score": 0.9125
        }
      ],
      "top_bid_wall": {
        "side": "bid",
        "price_low": 49.6,
        "price_high": 50.096,
        "price_mid": 49.848,
        "depth_quote": 1680.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 588.0,
          "bybit": 546.0,
          "okx": 546.0
        },
        "hhi": 0.33375,
        "persistence": 0.66,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0
      },
      "top_ask_wall": {
        "side": "ask",
        "price_low": 50.096,
        "price_high": 50.592,
        "price_mid": 50.344,
        "depth_quote": 1638.0,
        "venue_count": 3,
        "venue_depth_quote": {
          "binance": 546.0,
          "bybit": 546.0,
          "okx": 546.0
        },
        "hhi": 0.333333,
        "persistence": 0.64,
        "spoof_risk_proxy": 0.05,
        "vacuum_score": 0.025
      },
      "bid_depth_total": 1848.0,
      "ask_depth_total": 1785.0,
      "depth_imbalance": 0.017341,
      "status": "COMPOSITE_BOOK_OK",
      "notes": [
        "Illustrative synthetic sample; not live market data.",
        "Synthetic 1h public-depth fixture for dashboard multi-timeframe onboarding."
      ]
    }
  }
}