{
 "id": 18,
 "extent": {
  "xmin": -7935742.9733000007,
  "ymin": -3898485.3663000017,
  "xmax": -7931335.5008000005,
  "ymax": -3892260.4985999987,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -20037700,
   "falseY": -30241100,
   "xyUnits": 10000,
   "falseZ": 0,
   "zUnits": 1,
   "falseM": 0,
   "mUnits": 1
  }
 }
}