curl --location '/contacts/cust1234/value'{
"contactId": "cust1234",
"name": "John Doe",
"email": "john.doe@example.com",
"phone": "+420123456789",
"address": "123 Main St, Prague, CZ",
"totalPurchases": 5,
"totalSpent": 1500,
"currency": "EUR"
}