You don't have to enable pub/sub in device access console. creating the
pub/sub topic and subscription yourself is sufficient. In HA I did not
add the device it found but I went the "add integrations" route. after
about 30 mins when I created the top...
Please have a look at this Google Nest integration - what am I doing
wrong? : r/homeassistant. creating a pub/sub topic and subscription
manually fixed it for me.
