{
 "id": 4,
 "extent": {
  "xmin": 291798.39394556638,
  "ymin": 4083548.7577606868,
  "xmax": 490654.64974676538,
  "ymax": 4385450.7115778551,
  "spatialReference": {
   "wkid": 26918,
   "latestWkid": 26918,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -5120900,
   "falseY": -9998100,
   "xyUnits": 450445547.3910538,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}