You can, yes. Your link will be something like:
I used to follow individual accounts from Twitter using granary (https://doubleloop.net/2019/03/12/following-twitter-peeps-in-an-indiereader-with-granary-io-and-microsub/), however I realised from discussion with Ryan (https://snarfed.org, who makes granary.io) that doing that puts unnecessary load on granary and your microsub server. However, doing it via twitter ‘lists’ is OK.