updateContact.json

HOST: https://www.exacttargetapis.com
PATCH /contacts/v1/contacts
Authorization: Bearer {{accessToken}}
Content-Type: application/json

{  
   "contactKey":"1C7634EACB83EEACFC16889D8BCB957BA1001",
   "contactId":null,
   "attributeSets":[  
      {  
         "name":"MobileConnect Demographics",
         "items":[  
            {  
               "values":[  
                  {  
                     "name":"Mobile Number",
                     "value":"0402646146"
                  },
                  {  
                     "name":"Locale",
                     "value":"AU"
                  },
                  {  
                     "name":"Status",
                     "value":2
                  },
                  {  
                     "name":"Created Date",
                     "value":"{{dateTimeStamp}}"
                  },
                  {  
                     "name":"Modified Date",
                     "value":"{{dateTimeStamp}}"
                  }
               ]
            }
         ]
      }
   ]
}