{ "layers": [ { "layerId": 0, "layerName": "Proposed 20mph Speed Limit", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "20mph", "url": "8b9111f12fb405d24f8b175fa6488bff", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYBk1cNTAwWLg4v8l/6lhWCxjDyNtXBjL2MNIVQOpCUYNHDWQDAAAOIMFPM3GNv0AAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20, "values": [ "20" ] } ] }, { "layerId": 1, "layerName": "Existing Speed Limits", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "006a81baf63d5a0cabe57d2bcebf5b42", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADJJREFUOI1jYaAyYBk1cNTAwWTgMwaG/5QYJMXAwIhiILUA3ECYDVQzkFpg1MBRA8kAADbBAmx/1PGSAAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }