User Instance
GET /api/users/86/?format=api
{
"username": "Acaccia",
"gravatar": "//www.gravatar.com/avatar/b0ff4d419779581b7651997acf9a9e93?d=wavatar",
"has_key": false
}GET /api/users/86/?format=api
{
"username": "Acaccia",
"gravatar": "//www.gravatar.com/avatar/b0ff4d419779581b7651997acf9a9e93?d=wavatar",
"has_key": false
}