Assign the key with the given fingerprint to your subscription. It is not possible to set an empty fingerprint. To unset your fingerprint use `x-unset-fingerprint`.
: Assign the key with the given fingerprint to your subscription. It is not possible to set an empty fingerprint. To unset your fingerprint use `x-unset-fingerprint`.
**x-unset-fingerprint: person@example.org**
Remove the fingerprint associated with your subscription.
**x-unset-fingerprint:** person@example.org
: Remove the fingerprint associated with your subscription.