Your Google AdSense Mediation revenue would get paid out through your Google AdSense account. You would have to check your Google AdSense account for that portion of your earnings.
The remainder, i.e. regular Ezoic ad revenue, gets paid out through your Ezoic account. That's the amount that will show up in the Payment History section under Billing & Payments (Ezoic).
I can see your March payment was postponed but that's because it was below your payment threshold of $50. You can change that setting if you prefer.