code: public GetThumbnailJobResponse getThumbnailJob(GetThumbnailJobRequest request) {
          checkStringNotEmpty(request.getJobId(), "The parameter jobId should NOT be null or empty string.");
          InternalRequest internalRequest =
                  createRequest(HttpMethodName.GET, request, THUMBNAIL, request.getJobId());
          
          return invokeHttpClient(internalRequest, GetThumbnailJobResponse.class);
      }
docs: Get information of thumbnail job.
  
  @param request The request object containing all options for creating new water mark.
  
  @return The information of the thumbnail job.