{"type":"rich","version":"1.0","title":"Yuki Kishimoto wrote","author_name":"Yuki Kishimoto (npub1dr…eseet)","author_url":"https://yabu.me/npub1drvpzev3syqt0kjrls50050uzf25gehpz9vgdw08hvex7e0vgfeq0eseet","provider_name":"njump","provider_url":"https://yabu.me","html":"No, if persistent database is not enabled the \"seen\" set is stored in RAM. So, if you stop and re-start the client you'll receive the Event notification again."}