diff --git a/src/pydase/data_service/data_service.py b/src/pydase/data_service/data_service.py
index e8183b8..ed4c227 100644
--- a/src/pydase/data_service/data_service.py
+++ b/src/pydase/data_service/data_service.py
@@ -248,7 +248,7 @@ class DataService(rpyc.Service, AbstractDataService):
         Returns:
             dict: The serialized instance.
         """
-        return Serializer.serialize_object(self)["value"]
+        return Serializer.serialize_object(self)
 
     def update_DataService_attribute(  # noqa: N802
         self,
diff --git a/src/pydase/data_service/data_service_cache.py b/src/pydase/data_service/data_service_cache.py
index c94f86c..d25f352 100644
--- a/src/pydase/data_service/data_service_cache.py
+++ b/src/pydase/data_service/data_service_cache.py
@@ -30,10 +30,10 @@ class DataServiceCache:
         self._cache = self.service.serialize()
 
     def update_cache(self, full_access_path: str, value: Any) -> None:
-        set_nested_value_by_path(self._cache, full_access_path, value)
+        set_nested_value_by_path(self._cache["value"], full_access_path, value)
 
     def get_value_dict_from_cache(self, full_access_path: str) -> dict[str, Any]:
         try:
-            return get_nested_dict_by_path(self._cache, full_access_path)
+            return get_nested_dict_by_path(self._cache["value"], full_access_path)
         except (SerializationPathError, SerializationValueError, KeyError):
             return {}
diff --git a/src/pydase/data_service/state_manager.py b/src/pydase/data_service/state_manager.py
index adc97c4..5ad2eac 100644
--- a/src/pydase/data_service/state_manager.py
+++ b/src/pydase/data_service/state_manager.py
@@ -126,7 +126,7 @@ class StateManager:
 
         if self.filename is not None:
             with open(self.filename, "w") as f:
-                json.dump(self.cache, f, indent=4)
+                json.dump(self.cache["value"], f, indent=4)
         else:
             logger.info(
                 "State manager was not initialised with a filename. Skipping "
@@ -191,7 +191,7 @@ class StateManager:
             value: The new value to set for the attribute.
         """
 
-        current_value_dict = get_nested_dict_by_path(self.cache, path)
+        current_value_dict = get_nested_dict_by_path(self.cache["value"], path)
 
         # This will also filter out methods as they are 'read-only'
         if current_value_dict["readonly"]:
@@ -234,7 +234,7 @@ class StateManager:
         # Update path to reflect the attribute without list indices
         path = ".".join([*parent_path_list, attr_name])
 
-        attr_cache_type = get_nested_dict_by_path(self.cache, path)["type"]
+        attr_cache_type = get_nested_dict_by_path(self.cache["value"], path)["type"]
 
         # Traverse the object according to the path parts
         target_obj = get_object_attr_from_path_list(self.service, parent_path_list)
@@ -273,7 +273,7 @@ class StateManager:
             return has_decorator
 
         cached_serialization_dict = get_nested_dict_by_path(
-            self.cache, full_access_path
+            self.cache["value"], full_access_path
         )
 
         if cached_serialization_dict["value"] == "method":
diff --git a/src/pydase/server/web_server/web_server.py b/src/pydase/server/web_server/web_server.py
index 2ab8a6d..d72a0db 100644
--- a/src/pydase/server/web_server/web_server.py
+++ b/src/pydase/server/web_server/web_server.py
@@ -126,7 +126,7 @@ class WebServer:
     @property
     def web_settings(self) -> dict[str, dict[str, Any]]:
         current_web_settings = self._get_web_settings_from_file()
-        for path in generate_serialized_data_paths(self.state_manager.cache):
+        for path in generate_serialized_data_paths(self.state_manager.cache["value"]):
             if path in current_web_settings:
                 continue