{"type":"rich","version":"1.0","title":"ps wrote","author_name":"ps (npub10n…c7024)","author_url":"https://yabu.me/npub10nmgk3azkfpaqcezhldk58pyytackwsc6x99eyxz0dv73asj25lqfc7024","provider_name":"njump","provider_url":"https://yabu.me","html":"The federated server architecture of Matrix leaks a lot of metadata."}