Constants
SIGNED_CONTEXT_SIGNER_OFFSET
uint256 constant SIGNED_CONTEXT_SIGNER_OFFSET = 0;
SIGNED_CONTEXT_CONTEXT_OFFSET
uint256 constant SIGNED_CONTEXT_CONTEXT_OFFSET = 0x20;
SIGNED_CONTEXT_SIGNATURE_OFFSET
uint256 constant SIGNED_CONTEXT_SIGNATURE_OFFSET = 0x40;