setPetId(1); $pet->setItemId(2); $pet->setNum(3); dump($pet->serializeToJsonString()); $b64 = 'ChVyZXF1ZXN0XzE3NDk3MjE5NTg4NjXqRA8IAxHNzMzMzMw5QBhkIAE='; $request = new Request(); $request->mergeFromString(base64_decode($b64)); dump($request); } }