I recommend just entering as a tourist to see how you may enjoy it.
Explore different cities and see which place suit you.
The biggest nomad hubs is Bangkok, Chiang Mai and Koh Phangan. (No idea about Phuket but if you're a crypto bro you might like it)
Bangkok is great for meet ups and meeting people, Chiang mai is great for spending time in nature, and Koh Phangan is great if you're into raves and music festivals.