I see that after #4458 deprecated the --tlog-upload flag, a detailed description is printed when this flag is used with the signing config (which is the default now): cosign sign --key cosign.key ...
This Python script converts AmneziaVPN configurations between Base64-encoded strings and JSON format. vpn://AAAGX..: The Base64-encoded string containing the AmneziaVPN configuration.-o output.json: ...