An options object used to update a Did Document by adding or updating one or more public keys
It must contain the subject's updateKey and a signature by either one of the subject's existing
signing keys or another key to which the correct authority has been delegated
An options object used to update a Did Document by adding or updating one or more public keys It must contain the subject's updateKey and a signature by either one of the subject's existing signing keys or another key to which the correct authority has been delegated