{
 "id": 18,
 "extent": {
  "xmin": -77.139744161622303,
  "ymin": 39.712746868415351,
  "xmax": -76.236644356332704,
  "ymax": 40.227260624136669,
  "spatialReference": {
   "wkid": 4269,
   "latestWkid": 4269,
   "xyTolerance": 8.9831528411952133e-09,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -400,
   "falseY": -400,
   "xyUnits": 11258999068426.24,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}