{ "layers": [ { "layerId": 0, "layerName": "Census Tracts", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "a7cc10f6b9b953e5a8db34d22b57af7b", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEFJREFUOI1jYaAyYGFgYGBgKPH9TxXTejYzslDFICSAamDPZkayTEHyIY1dOGrgqIGjBg4PA6lQLtLIheSWg1gAACu4CVH4f1K9AAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }