Reading subscribers from TenantRoot model

Change-Id: Ifdf5df41faddb57ccbd3da2f7de798a8224d932e
diff --git a/src/app/service-graph/components/fine-grained/fine-grained.component.scss b/src/app/service-graph/components/fine-grained/fine-grained.component.scss
index 0a4ca39..c7fcfbc 100644
--- a/src/app/service-graph/components/fine-grained/fine-grained.component.scss
+++ b/src/app/service-graph/components/fine-grained/fine-grained.component.scss
@@ -45,7 +45,8 @@
         stroke: green;
       }
 
-      &.subscriber > rect{
+      &.subscriber > rect,
+      &.tenantroot > rect{
         stroke: red;
       }
     }