{
 "id": 4,
 "extent": {
  "xmin": -19839092.304288134,
  "ymin": 2145729.6799177825,
  "xmax": -6304584.2700328603,
  "ymax": 11542624.916041039,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}