{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Elevation",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 50000,
   "legend": [
    {
     "label": "High : 3967 - Low : 636",
     "url": "577df1e34f318cf7c49002a13a802a2b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA+ElEQVRYhc3WQQrCMBBA0aEZQcQyCKKIIq5EPJiHduVOFFGCMiQOKV7iL+wBHv1pko62bzsJ+GiphfREa3EWdK8sWAJOdoeTowYLOv1RKp1cPLNg5AcN3lmw5icLFjq5fh5//oaOJzu8sbsYWDBFY8GOvQ5FE53cDXCysJ5oGuDk9oaTR/Q/xaaoJ2pGg3MY7JcwaAsa3CYWnG46FpQ1u4h6TzMWvMWEBa9lBINBgxUGL3TyOeCNfcnwfVgEnmB7g0eRmcHJe/jK1gN8ZevRViy4p8GdrVnQxvAafgQ+ek96+nqxnmhmpznRaOy0pE16FpQBPssCJ/8AyB9m3GuIabIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}