And that is why you extend the proposal. This is how you get all aliases using your method: JSON.parse(e.content).nip05_aliases And this is how it works with NIP-39: e.tags.filter(t => t[0] === "i").map(t => t[1].split(":")).filter(t => t[0] === "nip05").map(t => t[1]) Both fit in one line, and the latter allows you to also support PGP keys and similar