{
  "@type": "neuroglancer_annotations_v1",
  "annotation_type": "POINT",
  "by_id": {
    "key": "by_id"
  },
  "dimensions": {
    "x": [
      "1.866e-06",
      "m"
    ],
    "y": [
      "1.866e-06",
      "m"
    ],
    "z": [
      "2e-06",
      "m"
    ]
  },
  "lower_bound": [
    0,
    0,
    0
  ],
  "upper_bound": [
    7370,
    8762,
    3871
  ],
  "properties": [],
  "relationships": [],
  "spatial": [
    {
      "key": "spatial0",
      "grid_shape": [
        1,
        1,
        1
      ],
      "chunk_size": [
        7370.0,
        8762.0,
        3871.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial1",
      "grid_shape": [
        2,
        2,
        1
      ],
      "chunk_size": [
        3685.0,
        4381.0,
        3871.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial2",
      "grid_shape": [
        4,
        4,
        1
      ],
      "chunk_size": [
        1842.5,
        2190.5,
        3871.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial3",
      "grid_shape": [
        8,
        8,
        2
      ],
      "chunk_size": [
        921.25,
        1095.25,
        1935.5
      ],
      "limit": 10000
    },
    {
      "key": "spatial4",
      "grid_shape": [
        16,
        16,
        4
      ],
      "chunk_size": [
        460.625,
        547.625,
        967.75
      ],
      "limit": 10000
    },
    {
      "key": "spatial5",
      "grid_shape": [
        32,
        32,
        8
      ],
      "chunk_size": [
        230.3125,
        273.8125,
        483.875
      ],
      "limit": 10000
    }
  ]
}