{ "layers" : [ { "layerId" : 0, "layerName" : "Gewaesserkennzahlrouten", "layerType" : "Feature Layer", "minScale" : 0, "maxScale" : 0, "legend" : [ { "label" : "", "url" : "494fa5f37d2de9b923c10a5318fc424e", "imageData" : "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoVhGEP/fyqYxbCKoZCRBcZgoBJgoZZBMDBqIOWAhQpmDDEDAU1KBG3bn7B0AAAAAElFTkSuQmCC", "contentType" : "image/png", "groupId" : "0", "height" : 20, "width" : 20 } ], "legendGroups" : [ { "id" : "0", "heading" : "" } ] } ] }