{"return_code":"FAIL","err_msg":"DATA_NOT_EMPTY","err_sub_msg":"Receive data is empty","nonce_str":"9FVj8W6CdU8ERC0Oar6c2WXRkxv8zVUU","timestamp":"2026-06-02 10:45:01","sign":"0fbd865659517df9f0a66f8b5ec4e72c"}