How to certify a User ID for a certificate

To create an exportable certification for a binding between a User ID and a certificate, use sq pki vouch certify. Note that the updated certificate should then be sent to the certificate holder to be approved and published.

$ sq pki vouch  certify --certifier $FP_CERTIFIER --cert $FP_TO_BE_CERTIFIED --email=bob@example.org

More information can be found here: Chapter 'Certifications'