def set_pdf_tosign_from_path(pdf_path)
            file = File.open(pdf_path, 'rb')
            @pdf_content_base64 = Base64.encode64(file.read)
            file.close

            @pdf_content_base64
        end
def set_pdf_tosign_from_path(pdf_path)
            file = File.open(pdf_path, 'rb')
            @pdf_content_base64 = Base64.encode64(file.read)
            file.close

            @pdf_content_base64
        end
region set_pdf_tosign