type GenerateMintSignatureOptions = { account: Account; contract: ThirdwebContract; contractType?: "TokenERC1155" | "SignatureMintERC1155"; mintRequest: GeneratePayloadInput;};
type account = Account;
type contract = ThirdwebContract;
type contractType = "TokenERC1155" | "SignatureMintERC1155";
type mintRequest = GeneratePayloadInput;