Changes active state for a username of the current user. The editable username can't be disabled. May return an error
with a message "USERNAMES_ACTIVE_TOO_MUCH" if the maximum number of active usernames has been reached.
Request type for Tdjson#toggleUsernameIsActive.
Changes active state for a username of the current user. The editable username can't be disabled. May return an error with a message "USERNAMES_ACTIVE_TOO_MUCH" if the maximum number of active usernames has been reached. Request type for Tdjson#toggleUsernameIsActive.