Update 6.1. Conference Protocol

technical/6.1.-Conference-Protocol.md

@@ -58,11 +58,11 @@ The Layout is stored as a VectorMapStringString for clients and internally with
 
 ```
 Layout = {
-    "participant0": {
-         "x":"0", "y":"0", "w": "0", "h": "0"
+    {
+    "uri": "participant", "x":"0", "y":"0", "w": "0", "h": "0"
     },
-    "participant1": {
-         "x":"0", "y":"0", "w": "0", "h": "0"
+    {
+        "uri": "participant1", "x":"0", "y":"0", "w": "0", "h": "0"
     }
     (...)
 }