{
 "id": 8,
 "extent": {
  "xmin": 317472.66119999997,
  "ymin": 671216.58060000092,
  "xmax": 318361.37370000035,
  "ymax": 672328.43590000086,
  "spatialReference": {
   "wkid": 27700,
   "latestWkid": 27700
  }
 }
}