{ "layers": [ { "layerId": 0, "layerName": "test_data", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "83e1d6f7355b364725f005c703e2b05c", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC6Ma0sh27BFVXMYGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgDe5QyD6bjE+AAAAABJRU5ErkJggg==", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }