{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Flow gauge location",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 40000,
   "legend": [
    {
     "label": "",
     "url": "696cf937a894a4082efe0e67525b1baa",
     "imageData": "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",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Rivers network",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 40000,
   "legend": [
    {
     "label": "Main river",
     "url": "3a593e2f1ca64422702138c3936a0d83",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADJJREFUOI1jYaAyYBk1cNRACgxkn/z3PyUG/cxlZkQxkFpgCBkICwOqGUgtMGrgSDAQAEPZBbuO4eq3AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "Main river"
     ]
    },
    {
     "label": "Tributary",
     "url": "1be2c94201372ecff083f25c6c686715",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACtJREFUOI1jYaAyYBk1cNTA4W3g0f//KTLJmpER1UCoAKVgKIXhqIHD10AACdEDjhoRaS4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "Tributary"
     ]
    }
   ]
  }
 ]
}