{ "layers": [ { "layerId": 0, "layerName": "CarmansRiverContributionPolygon", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "c765beebca95bdc12ea3df22129a9f6a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWPJy8v7z0BFwAIiGlz7qGJYw+4iiIHUBCyjBlIMWCg3AhWMGkg5YKGCGShg1MARE4YNu4uoZiIAfYQHR9FgkUEAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }