This isn't something the average random GrapheneOS user needs to worry about.
Doing this has a non negligible political cost. They would only do it for a high value target. If you're that person, you're presumably aware.
The person(s)* this has happened to, was/were not aware.
* I only recall one news report of this happening years ago.
The person(s)* this has happened to, was/were not aware.
* I only recall one news report of this happening years ago.