Nip55 is super easy. nostr:nprofile1qqsd4fqmakmgtyfk806yqlmg0juh38x9g0ksyjah0s3d9jzd3r65z5cprdmhxue69uhkummnw3ezuem9v44hgmmndp5juar9vd5z7qgwwaehxw309ahx7uewd3hkctcpzamhxue69uhkummnw3ezuum5v94k27fwdejh...
Be sure to use content resolvers instead of intent based communication with the signer. That way it won't keep popping up.