OwnerOf

Get the owner address of the NFT with the given tokenId (ERC-721 ownerOf(uint256)).

func OwnerOf(
    contractAddress string,
    tokenId *big.Int,
) (owner string, err error)

func main() {
    ...
    alchemy := gas.NewAlchemy(setting)
    ...
    owner, err := alchemy.Nft.OwnerOf(contractAddress, tokenId)
}