{ "layers": [ { "layerId": 0, "layerName": "INDEX", "layerType": "Feature Layer", "minScale": 100000, "maxScale": 0, "legend": [ { "label": "", "url": "756b7230dd498ed27bd9d5823bfa3b35", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYBk1cNTAwWJgR77rf2oYVjFxNyNtXFgxcTcjVQ2kJhg1cNRAMgAAYusGFjJ/sqwAAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }