{
 "description": "Get elevation values at a location, along geometries, or interpolated over an extent, LOS (line of sight), contour, aspect, slope, locate, locate all, steepest path, normal, surface lenght ...",
 "surfaceLayers": [
  {
   "id": 0,
   "name": "DTM 40",
   "type": "Raster Layer",
   "full extent": {
    "xmin": 409354.31800000003,
    "ymin": 5066240.04,
    "xmax": 480674.31800000003,
    "ymax": 5146360.04,
    "spatialReference": {
     "wkid": 32632,
     "latestWkid": 32632
    }
   },
   "description": ""
  }
 ]
}