As of now, there are no publicly available records or official announcements about any agreements signed between a "Pakistan Corruption Council" and World Liberty Financial.
In fact:
There is no known official organization called the Pakistan Corruption Council — at least not one widely recognized by Pakistan's government, anti-corruption bodies (like NAB - National Accountability Bureau), or international agencies.
World Liberty Financial appears to be a financial services company based in New York, USA, offering insurance and investment products, but there are no major news reports linking it to Pakistan in the context of anti-corruption or national agreements.
