{
 "id": 7,
 "extent": {
  "xmin": -8533275.7989000008,
  "ymin": 4749687.2907000035,
  "xmax": -8496061.3101000004,
  "ymax": 4781037.6437000036,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}