{
 "id": 21,
 "extent": {
  "xmin": -829268.9103000015,
  "ymin": 4281359.7454999983,
  "xmax": -765045.25519999862,
  "ymax": 4380728.0231000036,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}