{
 "id": 4,
 "extent": {
  "xmin": -8207338.5242999997,
  "ymin": 5009378.1550000012,
  "xmax": -7991318.9785999991,
  "ymax": 5168561.4253999963,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -21940352.1296000034,
   "falseY": -30241100,
   "xyUnits": 144381191.062682778,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}