v, r, s = sign_typed_data(data,bytes.fromhex(SIGNER_KEY))
Optional. One account may authorize another account to sign orders on its behalf. For example, a server might sign using an account that has been authorized by a contract wallet. To manage signer authorizations, use the following functions on the Light contract.
function authorize(address signer) external
function revoke() external
The following values are used for the EIP712Domain.