0x36568abe?0x36568abe is the function selector for renounceRole(bytes32,address). Gives up a privileged role.
When a transaction's data begins with 0x36568abe, it is calling renounceRole. The selector is the first four bytes of the keccak-256 hash of the signature renounceRole(bytes32,address), which is how wallets and explorers work out which function a payload is for.