{
 "layers": [
  {
   "layerId": 0,
   "layerName": "allunit1880",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "64af989c0f02132eb41a199626fad3b7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAALtJREFUOI3t0CEKAkEUxvH/g4UpCrIewWjVqNHgGQSLmPYABrtY9QjaTHoCs2C3GUyWSVum+AwiyLIjzmoR9rX5PubHvIn48UQl+IdgrHHLYrtACmwRrsXBG0uLTV6SOcoQYRcOKiMgyaQ1YI3SRLiEvnDsyavAAJiFgrGvMGrqDpfbvVv5iNDIq5y4g++aHxQmQB+oZJo9sCkCnlHawALoAKlRs3LipggaDj7QE9B7Hn3/9jlYYErw+7kDz+sovVemtMkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}