{
 "layers": [
  {
   "layerId": 0,
   "layerName": "PM25_1",
   "layerType": "Feature Layer",
   "minScale": 5000000,
   "maxScale": 36000,
   "legend": [
    {
     "label": "0 - 10",
     "url": "0660fd8788ed831d7a2dbc89af90ff52",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATElEQVQ4je3UMREAIAxD0dCLMJwhCgM4QA5bj+vI3Gz0C3hDhnCe3R3eIchgi4E1tKEAHQ5CHAtMxzzxVmA+CoynAr/Y0GArnlZRWBeKdA5HXQAR5AAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      10
     ]
    },
    {
     "label": "10 - 20",
     "url": "aa3808fd4b99973c4b03bfe0dd55dbba",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4je3UsRGAQBBCUWQo7DqzHNvYbuyCcTS7eMncX8ALCBDua8FcSESXPuzAGQFNCOE0YDv1ib0B+ylgbA34jw3pep82El0P63IMX3g1gI0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      20
     ]
    },
    {
     "label": "20 - 25",
     "url": "f121cdb912d76710add029f677c24a58",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4je3UMREAMAhD0cBFWJ3VWt3UBddjZCZb+QLekCG8FysCC4LccZiYGbYCjAAIcRywHftEbcB+FBilAb/Y0B0nn1ZRWg9WdA2cKPkdEAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      25
     ]
    },
    {
     "label": "25 - 50",
     "url": "d24872b62cebdaed2474ddb612859611",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpysvezvT/vwMDFcA/RsYDLCDDul9M46CGgaUSWQ4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv8YGQ+ASlpqGAYyCwAzlhCSxXJh5gAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      50
     ]
    },
    {
     "label": ">50",
     "url": "fcfc58078a70ea2c3e0a941de232110e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpzM7ezvT/vwMDFcA/RsYDLCDDiqdN46CGgb1ZWQ4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv8YGQ+ASlpqGAYyCwAboxD4lEqGiAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      1000
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Valore"
    }
   ]
  }
 ]
}