I'm trying to use utils for signing a transaction for sellOrder of ERC721<->ERC20 as instructed here - https://protocol.0x.org/en/latest/basics/orders.html#how-to-sign
import utils from '@0x/protocol-utils'
console.log(utils)
const provider = new ethers.providers.JsonRpcProvider(/* constructor params */)
const signature = await sellOrder.getSignatureWithProviderAsync(
provider,
utils.SignatureType.EIP712
)
but utils from "@0x/protocol-utils" gives "undefined". Any help please?