I've attached some old sitelists from several years ago back when I was using GSA for tiering. They're old so don't expect much.
You're better off getting some fresh targets from services like these two:
https://www.blackhatworld.com/seo/back-open-to-new-clients-v2-premium-gsa-search-engine-ranker-verified-link-list-exclusive-templates-free-proxies-serpgrow-com.1194835/#post-12814320https://www.blackhatworld.com/seo/serverifiedlists-com-high-quality-pre-filtered-verified-lists-straight-to-your-gsa-search-engine-ranker.1280806/