{
  "type": "Topology",
  "objects": {
    "data": {
      "type": "GeometryCollection",
      "geometries": [{ "type": "Polygon", "properties": { "foo": "bar" }, "arcs": [[0]] }]
    }
  },
  "arcs": [
    [
      [5121, 9999],
      [-5121, -4617],
      [9511, -5382],
      [488, 8403],
      [-4878, 1596]
    ]
  ],
  "transform": {
    "scale": [0.004324632463246325, 0.002713571357135714],
    "translate": [50.625, 35.46]
  },
  "bbox": [50.625, 35.46, 93.867, 62.593]
}