diff --git a/sync/signals.py b/sync/signals.py
index 54661d0..0b14f26 100644
--- a/sync/signals.py
+++ b/sync/signals.py
@@ -24,7 +24,7 @@ def presave_handler(sender, instance, **kwargs):
 
     try:
         # some other classes are excluded in settings_app.py: SYNC_APPS
-        if not isinstance(instance, (BaseModel, User)) or isinstance(instance, DataAccess):
+        if not isinstance(instance, (BaseModel, User)):
             return
 
         signal = kwargs.get('signal')
@@ -53,8 +53,8 @@ def synchronization_notifications(sender, instance, created=False, **kwargs):
     # some classes are excluded in settings_app.py: SYNC_APPS
     if not isinstance(instance, BaseModel) and not isinstance(instance, User):
         return
-    if isinstance(instance, DataAccess):
-        return
+    # if isinstance(instance, DataAccess):
+    #     return
 
     try:
         process_foreign_key_changes(sender, instance, **kwargs)
@@ -273,6 +273,8 @@ def handle_shared_with_changes(sender, instance, action, pk_set, **kwargs):
     # print(f'm2m changed = {pk_set}')
     users = User.objects.filter(id__in=pk_set)
 
+    save_model_log(users, ModelOperation.PUT, DataAccess.__name__, instance.id, None)
+
     with transaction.atomic():
         if action == "post_add":
             instance.create_access_log(users, 'SHARED_ACCESS')
@@ -344,8 +346,8 @@ def related_users(instance):
         for data_access in data_access_list:
             users.add(data_access.related_user)
             users.update(data_access.shared_with.all())
-        if isinstance(instance, DataAccess):
-            users.update(instance.shared_with.all())
+
+    # print(f'find users for {instance.__class__.__name__}, count = {len(users)}')
 
     return {user for user in users if user is not None}
 
diff --git a/sync/utils.py b/sync/utils.py
index 714dee1..c5fe157 100644
--- a/sync/utils.py
+++ b/sync/utils.py
@@ -42,7 +42,7 @@ def get_data(model_name, model_id):
 def get_serialized_data_by_id(model_name, model_id):
     # print(f'model_name = {model_name}')
     model = model_registry.get_model(model_name)
-    logger.info(f'model for {model_name} = {model}')
+    # logger.info(f'model for {model_name} = {model}')
     instance = model.objects.get(id=model_id)
     serializer = get_serializer(instance, model_name)
     return serializer.data
diff --git a/sync/views.py b/sync/views.py
index 253cdb1..e2d1f12 100644
--- a/sync/views.py
+++ b/sync/views.py
@@ -387,17 +387,17 @@ class LogProcessingResult:
         # First, collect all revocations
         for model_name, items in self.revoke_info.items():
             revocations[model_name].extend(items)
-            logger.info(f'$$$ process_revocations for {model_name}, items = {len(items)}')
+            # logger.info(f'$$$ process_revocations for {model_name}, items = {len(items)}')
 
             # Process parent hierarchies for each revoked item
             model = model_registry.get_model(model_name)
             for item in items:
 
-                logger.info(f'$$$ item revoked = {item}')
+                # logger.info(f'$$$ item revoked = {item}')
 
                 try:
                     instance = model.objects.get(id=item['model_id'])
-                    logger.info(f'$$$ process revoked item parents of {model_name} : {item['model_id']}')
+                    # logger.info(f'$$$ process revoked item parents of {model_name} : {item['model_id']}')
                     revocated_relations_organizer.add_relations(instance)
 
                 except model.DoesNotExist: