encoding=json+base64:
W3sicG9zIjogImVwdWJjZmkoLzQvMi80LzIyODQvMTozNSkiLCAicG9zX3R5cGUiOiAiZXB1YmNmaSIs
ICJ0aW1lc3RhbXAiOiAiMjAyMi0wNy0yOFQwMjozMDoxNS42OTE5NTgrMDA6MDAiLCAidHlwZSI6ICJs
YXN0LXJlYWQifV0=