{
 "id": 7,
 "extent": {
  "xmin": -8498021.3894999996,
  "ymin": 5616335.6916000023,
  "xmax": -8378386.6216000002,
  "ymax": 5703616.4728000015,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}