Example 0 km2 estimate area file

{
  "type": "FeatureCollection",
  "name": "village_properties_run_id_248_2cities_dist_layout",
  "crs": {
    "type": "name",
    "properties": {
      "name": "urn:ogc:def:crs:EPSG::3857"
    }
  },
  "features": [
    {
      "type": "Feature",
      "properties": {
        "vida_rank": 6
      },
      "geometry": {
        "type": "Polygon",
        "coordinates"