{
 "layers": [
  {
   "layerId": 0,
   "layerName": "lettG PIT Dato Storico",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "27decd864ebc09d705a37ca642114e9b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4jWPJ6I50+sv5VYGBCoD5O/cDlr+cXxWeB26So4aBkuv9GFioYRAyGDVw1MBRA0cNHDUQaiDzd+4Hkuv9qGIY83fuBwB9zA/4dkAgvgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "v_idrogeoRD_1923",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8b2e1fa762c860a9ca8a9744a0be6440",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWNp7u53YuHkVWCgAvjz/fMDFhZOXgWz4GQ5ahh4au1cBhZqGIQMRg0cNXDUwFEDRw2EGvjn++cHp9bOpYphf75/fgAAS3ITKDzi9YkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}