jm MN!@CgÉ(Ì©zkÂNû!-<½ò¹à` LGenerate BIP39 mnemonic, use that as seed to derive m/44'/145'/x' where x' is the service. Forget the root master and use the Memo pass to encrypt the XPRV of this account.
https://whatsonchain.com/tx/224ce6f4bd776c2ce194ea5d7fe9bfa9a07bdd5b0b4ec72bf9723d53d6d80e44