[CORD-2742] Publishing model fields on redis delete event

Change-Id: I79cab9881b59eba0a1d31ad673cb69c61fd13fff
diff --git a/xos/core/models/xosbase_header.py b/xos/core/models/xosbase_header.py
index ae42c3e..4b33116 100644
--- a/xos/core/models/xosbase_header.py
+++ b/xos/core/models/xosbase_header.py
@@ -303,7 +303,7 @@
 
             if deleted:
                 json_dict['deleted'] = True
-                json_dict['object'] = {'id': pk}
+                json_dict['object']['id'] = pk
 
             payload = json.dumps(json_dict, default=json_handler)
             r.publish(self.__class__.__name__, payload)