{
 "id": 21,
 "extent": {
  "xmin": -153.57908360643,
  "ymin": 54.251835200165303,
  "xmax": -129.47343030009699,
  "ymax": 63.230433028937099,
  "spatialReference": {
   "wkid": 4269,
   "latestWkid": 4269,
   "xyTolerance": 2.0000000000000004e-08,
   "zTolerance": 2,
   "mTolerance": 2,
   "falseX": -400,
   "falseY": -400,
   "xyUnits": 11258999068426.24,
   "falseZ": 0,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}