fn expect_keychain_verified<FEN: FoundryEvmNetwork>(
state: &mut Cheatcodes<FEN>,
account: Address,
digest: B256,
signature: Bytes,
admin: bool,
) -> Resultfn expect_keychain_verified<FEN: FoundryEvmNetwork>(
state: &mut Cheatcodes<FEN>,
account: Address,
digest: B256,
signature: Bytes,
admin: bool,
) -> Result