def METHOD_NAME(self):
    try:
        info = self.voiceChangerManager.update_model_default()
        json_compatible_item_data = jsonable_encoder(info)
        return JSONResponse(content=json_compatible_item_data)
    except Exception as e:
        print("[Voice Changer] post_update_model_default ex:", e)
        import traceback
        traceback.print_exc()