Problem with apt update from https://openhab.ci.cloudbees.com

Did anyone get this working? I’m a 1.8 user and I’m trying to use Openhab 2 for the first time but still get this error.

W: GPG error: https://openhab.ci.cloudbees.com  Release: The following signatures were invalid: BADSIG F834FE4EEAC1183A openHAB Snapshot Repositories <owner@openhab.org>
W: GPG error: https://openhab.ci.cloudbees.com  Release: The following signatures were invalid: BADSIG F834FE4EEAC1183A openHAB Snapshot Repositories <owner@openhab.org>

Also, I did try the method suggested at:
https://community.openhab.org/t/apt-snapshot-installation-notice/14407?u=orionguy