IMintURI

function airdropMint(
 address owner,
 bytes calldata signature,
 string calldata uri,
 bytes calldata salt
) external payable;

function airdropBatchMint(
 address[] memory owners,
 bytes[] calldata _signatures,
 string[] calldata _uris,
 bytes[] calldata _salts
) external payable;

function airdropSubscriptionMint(
 uint256 _entityId,
 address _owner,
 bytes calldata _signature,
 string calldata _uri,
 bytes calldata _salt,
 bool _directUpdateEnabled
) external payable;

function airdropBatchSubscriptionMint(
 uint256 _entityId,
 address[] calldata _owners,
 bytes[] calldata _signatures,
 string[] calldata _uris,
 bytes[] calldata _salts,
 bool[] calldata _directUpdateEnableds
) external payable;

function subscriptionMint(
 bytes calldata _signature,
 string calldata _uri,
 bytes calldata _salt,
 uint256 _entityId,
 bool _directUpdateEnabled
) external payable;

function mint(
  bytes calldata signature, 
  string calldata uri, 
  bytes calldata salt
) external payable;

function mintBatch(
   bytes[] calldata _signatures,
   string[] calldata _uris, 
   bytes[] calldata _salts
) external payable;

function verifySignature(
 bytes memory signature,
 uint256 entityId,
 uint256 templateId,
 uint64 collectionId,
 string memory uri,
 bytes memory salt
) external returns (bool);