That would be Sheikh Mansour, who last time I checked was an individual and is therefore incapable of also being a state. Look at it another way, Rishi Sunak has various companies that he runs and operates with personal wealth. None of those companies are state owned.
I don't want to derail the wider point here, but to be very clear, what is it that you want an independent review to address? Wellbeing and fatigue is a legitimate issue for debate, but to suggest that the decision making of those officials is then influenced by the UAE (or Saudia Arabia to extend the point) is dangerous territory and has absolutely no grounding in fact or reality. Hwang scored the winning goal for Wolves v City at the weekend when he should have been dismissed - that wasn't any kind of conspiracy or interference, it was a mistake by the referee, which happens every weekend and impacts various teams every weekend.
To be state owned, the club would have to be a commercial enterprise owned by a government entity, which is not the case. Regardless of what you believe, it is simply factually incorrect to say that City are state owned.