{
 "id": 21,
 "extent": {
  "xmin": -8567089.946989065,
  "ymin": 4717808.9106109599,
  "xmax": -8562926.5334404185,
  "ymax": 4722361.9327213392,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}