Based on the character set and length, this string is a (specifically, the public key component without the .onion suffix).
Short labeled snippet: License Key: 5hph-agt6-5tzz-g1ph-3csu-63k8-dbpv-d8s5-ip4n-eb3k-esre-abua-tmu 5hphagt65tzzg1ph3csu63k8dbpvd8s5ip4neb3kesreabuatmu