{ "layers": [ { "layerId": 0, "layerName": "Water Book Polygons", "layerType": "Feature Layer", "minScale": 24000, "maxScale": 0, "legend": [ { "label": "", "url": "1d9cdcbc713b58b79a90905b68592e30", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8ubyUBFwAIiWAsnUsWw3/35EAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgx/9+dTzUQA+tkHLesL0a8AAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }