JWT decoding command line
# decode a base64 jwt to string
echo eyJhbGciOiJSUzI1NiIsImtpZCI6Im1pY3Jvcy9oYy1ib3QtbWFuYWdlci9wc2hhaC1hZXNvODlpdmJqMjJiaGczIiwidHlwIjoiSldUIn0= | base64 -D
# decode a base64 jwt to string and see bytes
echo eyJhbGciOiJSUzI1NiIsImtpZCI6Im1pY3Jvcy9oYy1ib3QtbWFuYWdlci9wc2hhaC1hZXNvODlpdmJqMjJiaGczIiwidHlwIjoiSldUIn0= | base64 -D | xxd