Bundler gives weird PVG in Base Sepolia

[ChiHaoLu]

Hi, I use the alchemy bundler on base sepolia, but the preVerificationGas returned by the estimateUserOpGas is weird.

[JsonRpcProvider][eth_estimateUserOperationGas][request] {"jsonrpc":"2.0","id":0,"method":"eth_estimateUserOperationGas","params":[{"sender":"0x0EE0f30D493EDd5B2217758A373fF9158cd6117f","nonce":"0x0","callData":"...","factory":"0xdbb6b4e7f1aa9260fc9a7c4a7dffafd67307f30d","factoryData":"...","callGasLimit":"0x0","verificationGasLimit":"0x0","preVerificationGas":"0x0","maxFeePerGas":"0x1","maxPriorityFeePerGas":"0x1","paymasterVerificationGasLimit":"0x0","paymasterPostOpGasLimit":"0x0","signature":"0x8bba51258e2b369ddc9015b3f5fdd58e63bea7a4fffffffffffffffffffffffffffffff0000000000000000000000000000000007aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1c"},"0x0000000071727De22E5E9d8BAf0edAc6f37da032"]}
[JsonRpcProvider][eth_estimateUserOperationGas][response] {
  "jsonrpc": "2.0",
  "id": 0,
  "result": {
    "preVerificationGas": "0x203695d211d71",
    "callGasLimit": "0x7ebb8",
    "verificationGasLimit": "0x6ed09",
    "paymasterVerificationGasLimit": null
  }
}

If I send this userOp to bundler, the precheck will failed due to balance too low.

[JsonRpcProvider][eth_sendUserOperation][request] {"jsonrpc":"2.0","id":0,"method":"eth_sendUserOperation","params":[{"sender":"0x0EE0f30D493EDd5B2217758A373fF9158cd6117f","nonce":"0x0","callData":"...","factory":"0xdbb6b4e7f1aa9260fc9a7c4a7dffafd67307f30d","factoryData":"...","callGasLimit":"0x7ebb8","verificationGasLimit":"0x6ed09","preVerificationGas":"0xf23f","maxFeePerGas":"0xf43a9","maxPriorityFeePerGas":"0x3b9aca00","paymasterVerificationGasLimit":"0x0","paymasterPostOpGasLimit":"0x0","signature":"0x8bba51258e2b369ddc9015b3f5fdd58e63bea7a4e10a76129b66d0d6b71c7ff745a9d269274cfb9329a88fe84719edae913e56b10a8fa31244c6f250388494f4b51229022a80b65cd7ff0ef5fde0a3d485e844451c"},"0x0000000071727De22E5E9d8BAf0edAc6f37da032"]}
Error: {
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32000,
    "message": "precheck failed: sender balance and deposit together is 50000000000000000 but must be at least 418632732358755665202 to pay for this operation"
  }
}