I have encoded header (part for example: =?UTF-8?B?ZXIgQXNzZXJ0aW9uIElzc3Vlcjwvc2FtbDpJc3N1ZQ==?= =?UTF-8?B?cj48ZHNpZzpTaWduYXR1cmUgeG1sbnM6ZHNpZz0iaA==?=)
How can i decode it to normal view with ruby? (er Assertion Issuer
Base64.decode64 - does not work