{
 "layers": [
  {
   "layerId": 1,
   "layerName": "TO_SENT_GRAVEL",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Forts de Namur - NORD",
     "url": "4d92cd169a6dbcc49707209de442d299",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQklEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa+H/v3gYGJiZ7ikz69+8go7NzA21cyOjs3EBVA6kJWKhqGsOogdQAgz9SAB/8CFjLQWtsAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Forts de Namur - NORD"
     ]
    },
    {
     "label": "Forts de Namur - SUD",
     "url": "3eae78e72658a4aa26e7f32e62d02ef0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa+PL/3gZGBiZ7Sgz6z/DvoDijcwNtXCjO6NxAVQOpCVioahrDqIHUAIM/UgCw3wgsMvgE/AAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Forts de Namur - SUD"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Nom"
    }
   ]
  }
 ]
}