Reading subscribers from TenantRoot model

Change-Id: Ifdf5df41faddb57ccbd3da2f7de798a8224d932e
diff --git a/src/app/service-graph/graph.config.ts b/src/app/service-graph/graph.config.ts
index e94e510..4626c6d 100644
--- a/src/app/service-graph/graph.config.ts
+++ b/src/app/service-graph/graph.config.ts
@@ -23,7 +23,7 @@
 
 export const XosServiceGraphConfig: IXosServiceGraphConfig = {
   force: {
-    linkDistance: 160,
+    linkDistance: 80,
     charge: -60,
     gravity: 0.01
   },