It's basically slashtags from nostr:nprofile1qqsgeksa4tajm7x673gq2v7t56dkgkh6pjhhzdhrgxlpke4za8jmmkqpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgjwaehxw309ac82unsd3jhqct89ejhxqgkwaehxw309aex2mrp0yhxummnw3ezucnpdejqetk0p4