diff --git a/src/services/service.ts b/src/services/service.ts
index 4853590..d5943df 100755
--- a/src/services/service.ts
+++ b/src/services/service.ts
@@ -260,11 +260,14 @@ export default class Services {
       description: 'pairing',
       counter: 0,
     };
+    const publicData = {
+      memberPublicName: userName 
+    }
     try {
       return this.sdkClient.create_new_process(
         JSON.stringify(pairingTemplate), 
-        JSON.stringify(roles), 
-        null, 
+        roles, 
+        publicData, 
         relayAddress, 
         feeRate
       ); 
@@ -326,8 +329,8 @@ export default class Services {
 
         const result = this.sdkClient.create_new_process (
             initState, 
-            JSON.stringify(roles),
-            null,
+            roles,
+            {},
             relayAddress, 
             feeRate
         );