0xa22cb465?0xa22cb465 is the function selector for setApprovalForAll(address,bool). Grants or revokes control over your entire collection.
When a transaction's data begins with 0xa22cb465, it is calling setApprovalForAll. The selector is the first four bytes of the keccak-256 hash of the signature setApprovalForAll(address,bool), which is how wallets and explorers work out which function a payload is for.