Datasets to power the Market Depth chart.
Both bids and asks are lists of 2-item tuples: [price, volume]

Additionally there are aggregate values provided for both sides of the book
and both quote and base currencies (in that order) under the totals key:

totals = [
[amount of quote currency in bids, amount of base currency in bids],
[amount of quote currency in asks, amount of base currency in asks],
]

A nice article explaining how the Depth Chart works:
https://hackernoon.com/depth-chart-and-its-significance-in-trading-bdbfbbd23d33

GET /api/public/market/ogc-btc/depth/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Cache-Control: public, s-maxage=1
Content-Type: application/json
Vary: Accept

{
    "bids": [],
    "asks": [
        [
            "0.00716",
            "1.91"
        ],
        [
            "0.00717",
            "4.91"
        ],
        [
            "0.00718",
            "6.91"
        ],
        [
            "0.00719",
            "8.88"
        ],
        [
            "0.0072",
            "51.88"
        ],
        [
            "0.007201",
            "52.88"
        ],
        [
            "0.007217",
            "53.88"
        ],
        [
            "0.007218",
            "54.928091"
        ],
        [
            "0.007219",
            "56.028091"
        ],
        [
            "0.00723",
            "61.028091"
        ],
        [
            "0.00725",
            "65.928091"
        ],
        [
            "0.0076",
            "70.928091"
        ],
        [
            "0.007749",
            "71.928091"
        ],
        [
            "0.00775",
            "72.028091"
        ],
        [
            "0.007755",
            "73.028091"
        ],
        [
            "0.007999",
            "74.018741"
        ],
        [
            "0.00897",
            "75.018741"
        ],
        [
            "0.0099",
            "75.518741"
        ],
        [
            "0.01",
            "76.518741"
        ],
        [
            "0.01001",
            "77.518741"
        ],
        [
            "0.0101",
            "78.518741"
        ],
        [
            "0.011",
            "79.518741"
        ],
        [
            "0.012",
            "80.518741"
        ],
        [
            "0.01407",
            "81.518741"
        ],
        [
            "0.015001",
            "83.518741"
        ],
        [
            "0.01541",
            "88.518741"
        ],
        [
            "0.016",
            "89.518741"
        ],
        [
            "0.0162",
            "99.518741"
        ],
        [
            "0.016215",
            "104.518741"
        ],
        [
            "0.016264",
            "105.018741"
        ],
        [
            "0.016266",
            "105.518741"
        ],
        [
            "0.016268",
            "106.018741"
        ],
        [
            "0.016269",
            "107.018741"
        ],
        [
            "0.01627",
            "109.018741"
        ],
        [
            "0.017",
            "110.018741"
        ],
        [
            "0.017275",
            "115.018741"
        ],
        [
            "0.018",
            "116.018741"
        ],
        [
            "0.019001",
            "117.018741"
        ],
        [
            "0.019978",
            "118.018741"
        ],
        [
            "0.019989",
            "119.018741"
        ],
        [
            "0.02",
            "168.018741"
        ],
        [
            "0.021524",
            "169.018741"
        ],
        [
            "0.024",
            "170.018741"
        ],
        [
            "0.024017",
            "171.018741"
        ],
        [
            "0.025",
            "172.018741"
        ],
        [
            "0.026",
            "177.018741"
        ],
        [
            "0.02656",
            "178.018741"
        ],
        [
            "0.028",
            "183.955741"
        ],
        [
            "0.02857",
            "188.955741"
        ],
        [
            "0.032",
            "189.454741"
        ],
        [
            "0.0336",
            "190.454741"
        ],
        [
            "0.033732",
            "191.454741"
        ],
        [
            "0.033733",
            "192.454741"
        ],
        [
            "0.033792",
            "197.454741"
        ],
        [
            "0.0338",
            "198.454741"
        ],
        [
            "0.033814",
            "199.454741"
        ],
        [
            "0.033818",
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        ],
        [
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            "201.454741"
        ],
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        ],
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            "0.033828",
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        ],
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        ],
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        ],
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            "219.454741"
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        ],
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        ],
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        ],
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        ],
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        ],
        [
            "0.050036",
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        ],
        [
            "0.054",
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        ],
        [
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        [
            "0.055",
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        ],
        [
            "0.055679",
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        ],
        [
            "0.059",
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        [
            "0.06",
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        ],
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        ],
        [
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        ],
        [
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        ],
        [
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        ],
        [
            "0.095",
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        ],
        [
            "0.099",
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        ],
        [
            "0.1",
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        ],
        [
            "0.12",
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        ],
        [
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        ],
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        ],
        [
            "0.5",
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        [
            "0.6189",
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        ],
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            "1",
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        [
            "10",
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    ],
    "totals": [
        [
            0,
            0
        ],
        [
            "41.40240454",
            "601.880902"
        ]
    ]
}