post https://api.zan.top/node/v1///
Estimates gas requirements for a UserOperation, providing outputs for preVerificationGas, verificationGas, and callGasLimit.
It is important to note that signature is not required to be valid, and gas limits and gas prices are optional. Although it is possible to fill empty values for these fields, for a precise estimation, it is advisable to populate the fields with values that approximate actual use case lengths.