A Nest Aware subscription covers just one Google Nest "home/structure". You can see which "home" has the subscription by connecting to the "home" in the Google Nest app or Google Home app and then going to Settings | Nest Aware. You can also go here and click on your subscription to see which "home" is covered by the subscription:
@Smartin I'm dropping by to ensure that everything is covered here. I hope that the information sheds some light on the issue. If you have other questions and concerns, feel free to let me know.
I appreciate the help, MplsCustomer.