Like carve out a place between Russia, Belarus and Ukraine in the former Pale of Settlement. Establish a bunch of Yiddish language schools there. Have it become a center of Jewish culture. Sure, there are already Ukrainians, Russians and Belorussians there but there were already people in the far east too.
It is sort of an axiom of anarchist historiography that state projects, especially ambitious ones, really don't like nomads and itinerant people.