public function updateOleObject($objectIndex, $object_data)
    {
        //Build URI
        $strURI = Product::$baseProductUri . '/cells/' . $this->getFileName() . '/worksheets/' . $this->worksheetName . '/oleobjects/' . $objectIndex;
        //Sign URI
        $signedURI = Utils::sign($strURI);
        //Send request and receive response stream
        $responseStream = Utils::processCommand($signedURI, 'POST', 'json', $object_data);
        $json = json_decode($responseStream);
        return $json;

    }