{
 "layers": [
  {
   "layerId": 37,
   "layerName": "Sea surface salinity",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "34.80 - 34.68",
     "url": "d4b1e060f211be4c4d3bf3796f1fdde5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAA8CAYAAABmdppWAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAbklEQVRYhe3UgQnAQAgDwKhxzK7fNfpL5CGQOsCRKEg87wfhEFNKDwTV4Eg9XKg89iDtE05gZcRVpn9CxFUe+yvzrxzwbegOdks9cCsOZOAOO69yiUHaJ1x7kPYJ1x6kfcINfF+tBksM0v/KZQ4eRI8EYiSWQncAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 60,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}