{
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  "layers" : [
    {
      "name" : "MyNodes", 
      "serviceItemId" : "29a110a56a5742959d9569ecf89c0e39", 
      "url" : "https://services-gtaahxbubve6cdc5.a01.azurefd.net/V6ZHFr6zdgNZuVG0/ArcGIS/rest/services/NodesAndEdges/FeatureServer/0"
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}