def upload_purchase_review_screenshot(app_id, upload_image)
      data = du_client.upload_purchase_review_screenshot(app_id, upload_image, content_provider_id, sso_token_for_image)
      {
          "value" => {
              "assetToken" => data["token"],
              "sortOrder" => 0,
              "type" => du_client.get_picture_type(upload_image),
              "originalFileName" => upload_image.file_name,
              "size" => data["length"],
              "height" => data["height"],
              "width" => data["width"],
              "checksum" => data["md5"]
          }
      }
    end
def upload_purchase_review_screenshot(app_id, upload_image)
      data = du_client.upload_purchase_review_screenshot(app_id, upload_image, content_provider_id, sso_token_for_image)
      {
          "value" => {
              "assetToken" => data["token"],
              "sortOrder" => 0,
              "type" => du_client.get_picture_type(upload_image),
              "originalFileName" => upload_image.file_name,
              "size" => data["length"],
              "height" => data["height"],
              "width" => data["width"],
              "checksum" => data["md5"]
          }
      }
    end
Uploads an In-App-Purchase Review screenshot
 @param app_id (AppId): The id of the app
 @param upload_image (UploadFile): The icon to upload
 @return [JSON] the screenshot data, ready to be added to an In-App-Purchase