{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Municipal Boundary Population 1950-2010 ",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f45803e067f47d493ce8255e78fc4dae",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD1JREFUOI1jYaAyYKGlgf+pYB4jigu3Xp9PtknemokMDAw09vKogaMGjho4aiB2A2FFEJmAEd1ARkpMgwEA+d8FKFd7laIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}