{
 "id": 4,
 "extent": {
  "xmin": -8718079.5294000003,
  "ymin": 5160250.2798999995,
  "xmax": -8651010.5152000003,
  "ymax": 5239916.2696999982,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}