V7UserOp

{
  "sender": "<string>",
  "nonce": "<string>",
  "initCode": "<string>",
  "callData": "<string>",
  "accountGasLimits": "<string>",
  "preVerificationGas": "<string>",
  "gasFees": "<string>",
  "paymasterAndData": "<string>",
  "signature": "<string>"
}