pub unsafe extern "C" fn verify_signed_transaction_auth(
signed_tx: FFISerializedSignedTransaction,
source_auth_data: FFISourceAuthData,
serialized_network_hash: *const u8,
) -> VerifyAuthResultpub unsafe extern "C" fn verify_signed_transaction_auth(
signed_tx: FFISerializedSignedTransaction,
source_auth_data: FFISourceAuthData,
serialized_network_hash: *const u8,
) -> VerifyAuthResult