The unique identifier for the entity. Format: arn:aws:health:<i>entity-region</i>:<i>aws-account</i>:entity/<i>entity-id</i> . Example: arn:aws:health:us-east-1:111222333444:entity/AVh5GGT7ul1arKr1sE1K
arn:aws:health:<i>entity-region</i>:<i>aws-account</i>:entity/<i>entity-id</i>
arn:aws:health:us-east-1:111222333444:entity/AVh5GGT7ul1arKr1sE1K