{
 "id": 21,
 "extent": {
  "xmin": -8515559.2169000003,
  "ymin": 5277691.9104999974,
  "xmax": -8449180.7111000009,
  "ymax": 5349189.5443999991,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -20037700,
   "falseY": -30241100,
   "xyUnits": 10000,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}