[BCP225]   Best Current Practice 225,
              <https://www.rfc-editor.org/info/bcp225>.
              At the time of writing, this BCP comprises the following:

              Sheffer, Y., Hardt, D., and M. Jones, "JSON Web Token Best
              Current Practices", BCP 225, RFC 8725,
              DOI 10.17487/RFC8725, February 2020,
              <https://www.rfc-editor.org/info/rfc8725>.