curl -X PUT http://localhost:5984/demo/*derick@localhost* \
    -H 'Content-Type: application/json' \
    -d \
'
{
  "email" : "derick@localhost",
  "fullname" : "Derick Rethans",
  "slug" : "derick-rethans",
  "created_at" : 1452546141,
  "timezone" : "Europe/London",
  *"_rev": "1-0af7eb105d22a8560e4636733a5d8a6e"*
}
'
Return:


{"ok":true,"id":"derick@localhost","rev":*"2-9fef838094560ca9cece87a5728b4d79"*}