{
  types: {
    SafeTx: [
      { type: "address", name: "to" },
      { type: "uint256", name: "value" },
      { type: "bytes", name: "data" },
      { type: "uint8", name: "operation" },
      { type: "uint256", name: "safeTxGas" },
      { type: "uint256", name: "baseGas" },
      { type: "uint256", name: "gasPrice" },
      { type: "address", name: "gasToken" },
      { type: "address", name: "refundReceiver" },
      { type: "uint256", name: "nonce" },
    ],
    EIP712Domain: [
      { name: "chainId", type: "uint256" },
      { name: "verifyingContract", type: "address" },
    ],
  },
  domain: {
    chainId: "1",
    verifyingContract: "0xb023c11fbcbd0f8d02c85a7cf51a1eab085e6d67",
  },
  primaryType: "SafeTx",
  message: {
    to: "0xf5d5b661f9c3d8b5244f00ef25cf25b61f5a1f7d",
    value: "100000000000000",
    data: "0x",
    operation: "0",
    safeTxGas: "0",
    baseGas: "0",
    gasPrice: "0",
    gasToken: "0x0000000000000000000000000000000000000000",
    refundReceiver: "0x0000000000000000000000000000000000000000",
    nonce: "18",
  },
}

const utils = require("@metamask/eth-sig-util");

const data = {
  types: {
    SafeTx: [
      { type: "address", name: "to" },
      { type: "uint256", name: "value" },
      { type: "bytes", name: "data" },
      { type: "uint8", name: "operation" },
      { type: "uint256", name: "safeTxGas" },
      { type: "uint256", name: "baseGas" },
      { type: "uint256", name: "gasPrice" },
      { type: "address", name: "gasToken" },
      { type: "address", name: "refundReceiver" },
      { type: "uint256", name: "nonce" },
    ],
    EIP712Domain: [
      { name: "chainId", type: "uint256" },
      { name: "verifyingContract", type: "address" },
    ],
  },
  domain: {
    chainId: "1",
    verifyingContract: "0xb023c11fbcbd0f8d02c85a7cf51a1eab085e6d67",
  },
  primaryType: "SafeTx",
  message: {
    to: "0xf5d5b661f9c3d8b5244f00ef25cf25b61f5a1f7d",
    value: "100000000000000",
    data: "0x",
    operation: "0",
    safeTxGas: "0",
    baseGas: "0",
    gasPrice: "0",
    gasToken: "0x0000000000000000000000000000000000000000",
    refundReceiver: "0x0000000000000000000000000000000000000000",
    nonce: "18",
  },
};

const pk = Buffer.from(
  "7d0ebc17b57137adc429b3f51bf5803fa61e3cd1050e9520d05ed5bcafbcff18",
  "hex"
);

const sig = utils.signTypedData({
  privateKey: pk,
  data,
  version: utils.SignTypedDataVersion.V4,
});

console.log("sig", sig);