curl Errors:
Status code: 409
Response: {"message":"Contact already exists","identityProfile":{"vid":26801,"identity":[{"value":"30a48740-5308-463e-822b-74b98ca6010a","type":"LEAD_GUID","timestamp":1500390320749},{"value":"abc@firmennest.com","type":"EMAIL","timestamp":1500390320639,"isPrimary":true}],"linkedVid":[],"isContact":true,"savedAtTimestamp":1511391278798},"errors":[{"message":"A contact with email abc@firmennest.com already exists.","in":"email"}],"status":"error","correlationId":"23f819f8-966a-4a94-99cd-2fee1b9d33d3","category":"OBJECT_ALREADY_EXISTS","error":"CONTACT_EXISTS"}