private string PartnerMerchantConnectedSampleXml(string id) {
return Node("partner-merchant",
Node("partner-merchant-id", "abc123"),
Node("merchant-public-id", "public_id"),
Node("public-key", "public_key"),
Node("private-key", "private_key"),
Node("client-side-encryption-key", "cse_key")
);
}