{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Editable Sign",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "992a461897dc64f48946b0e91b0f32ee",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXUlEQVQ4je3ROwoAIAwD0BQ8Yw/pJesgODX1g4iIGQN9Q5OwOemDR0BzOlkFLTucCoyhEehiAJCNowykWA99Y+U7QVGJh9E6xfDKIcqwHthQr2cHIz+kx6vgVO4HC2kWGKmA3CIFAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}