AA23 reverted (or OOG)

The sender signature validation reverted or ran out of gas.

Possible Solutions

1. Check that the verificationGasLimit is high enough to cover the gas costs ofvalidateUserOp.
2. If you are not using a paymaster, check that the sender has enough native tokens to cover the required prefund.
3. If you are us a paymaster to cover the gas fees, verify that the paymaster and data fields are set.