nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq97qqqj2gfydepp0prr33atwsvr06u2gvymd6ek5vrcypwwh92f7q8dy6rq (nprofile…y6rq)
I was thinking of the message at https://infosec.exchange/@sophieschmieg/116852736472562657, and rfc7282 seems to describe a variation of this scenario.