public function createDetailContent($id, $contentData)
    {
        $response = $this->mailjet->post(Resources::$CampaigndraftDetailcontent,
            ['id' => $id, 'body' => $contentData]);
        if (!$response->success()) {
            $this->throwError("CampaignDraftService:createDetailContent failed",
                $response);
        }

        return $response->getData();
    }