{"type":"rich","version":"1.0","title":"Joe Davison wrote","author_name":"Joe Davison (npub1j0…djqnu)","author_url":"https://yabu.me/npub1j0edavp956frcvh2nx80mm70s4upljykrdadumdlq06rvffzza5q2djqnu","provider_name":"njump","provider_url":"https://yabu.me","html":"https://www.youtube.com/watch?v=kflAOBEMkcQ Nostr Spam Solutions, a review of Nostr.Band spam API and trust rank"}