private function getEncryptedKey($path, $storeId = null)
    {
        //Get management key
        $key =  $this->getScopeConfig()->getValue(
            $path,
            ScopeInterface::SCOPE_STORE,
            $storeId
        );

        //Decrypt management key
        $key = $this->encryptor->decrypt($key);
        return $key;
    }