{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {
        "name": "World boundary",
        "description": "World"
      },
      "geometry": {
        "coordinates": [
          [
            [-180, 90],
            [-180, -90],
            [180, -90],
            [180, 90],
            [-180, 90]
          ]
        ],
        "type": "Polygon"
      }
    }
  ]
}