Help for SET PUBKEY:

SET PUBKEY allows you to change your public
key used for SASL ECDSA-NIST256P-CHALLENGE
authentication.
If no pubkey is given, your public key will
be removed from the services database.

Syntax: SET PUBKEY [<pubkey>]

Example:
    /msg &nick& SET PUBKEY Ao8he4hEXkOo8xW1Yot4gKzQAxudXRng57zoPZV9fsjm
