HTTP/1.1 200 OK Server: nginx Date: Thu, 30 Jun 2022 04:08:04 GMT Content-Type: application/pdf;charset=UTF-8 Content-Length: 0 Connection: keep-alive x-frame-options: SAMEORIGIN frame-options: SAMEORIGIN x-application-context: application last-modified: Thu, 01 Jan 1970 00:00:00 GMT x-envoy-upstream-service-time: 2 X-Frame-Options: SAMEORIGIN