{
  "@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": [
    7405,
    8773,
    3855
  ],
  "properties": [],
  "relationships": [],
  "spatial": [
    {
      "key": "spatial0",
      "grid_shape": [
        1,
        1,
        1
      ],
      "chunk_size": [
        7405.0,
        8773.0,
        3855.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial1",
      "grid_shape": [
        2,
        2,
        1
      ],
      "chunk_size": [
        3702.5,
        4386.5,
        3855.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial2",
      "grid_shape": [
        4,
        4,
        1
      ],
      "chunk_size": [
        1851.25,
        2193.25,
        3855.0
      ],
      "limit": 10000
    },
    {
      "key": "spatial3",
      "grid_shape": [
        8,
        8,
        2
      ],
      "chunk_size": [
        925.625,
        1096.625,
        1927.5
      ],
      "limit": 10000
    },
    {
      "key": "spatial4",
      "grid_shape": [
        16,
        16,
        4
      ],
      "chunk_size": [
        462.8125,
        548.3125,
        963.75
      ],
      "limit": 10000
    }
  ]
}