{ "layers": [ { "layerId": 0, "layerName": "National Grid", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "fe86d5ba088ffb9c054c4edc5625f59c", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXklEQVQ4je3Uuw3AIAxF0YvkoSi9RqZBmSYZgzJbEYX8RP0ofQu7O4ULW95pTMz6bKxAFS0nUW4Q6rFoYN76+sBpWYByphNjAerZBGMoQL33hv78MyX/wUS5nqNMAifoGguN3J3H8gAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] }, { "layerId": 1, "layerName": "Grid Box", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "1c8383456fc4e0562806a3679d3283bf", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoklEQVQ4jeWV4QkCMQyFP0P2kOsst4q9FRzBFbxbxVnaDZygBImccILFH0YQ/P69kqTh8SBaJ7IYBaVYI9NDKMOZ2esxUk+ri/3CvLYdeYM39XSdyCr6XPARRlIaCSghA4WiBiNwiZg33D0MpP6+h0Coh06oh06sh/iGf+WhaHCwaZ7DQAzG+NgQyJc83HGtB06PH/xxjdLrLTxim3Ox1SaUGyfEQtYbNDocAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }