private function registerChunkAsync($uploadRequestInfo, $chunkNumber)
    {
        $s3Filename = sprintf("%s/p%d", $uploadRequestInfo['s3_filename'], $chunkNumber);

        $data = [
            'id' => $uploadRequestInfo['s3file']['uploadid'],
            'targetid' => $uploadRequestInfo['s3file']['targetid'],
            'filename' => $s3Filename,
            'chunkNumber' => $chunkNumber,
        ];
        return $this->requestHandler->sendRequestAsync(
            'POST',
            sprintf('api/v4/upload/%s/', $uploadRequestInfo['s3file']['uploadid']),
            ['form_params' => $data]
        );
    }