User Instance
GET /api/users/204/?format=api
{
"username": "bil-elmoussaoui",
"gravatar": "//www.gravatar.com/avatar/4d577fe21b90b89d85b167be5a577247?d=wavatar",
"has_key": false
}GET /api/users/204/?format=api
{
"username": "bil-elmoussaoui",
"gravatar": "//www.gravatar.com/avatar/4d577fe21b90b89d85b167be5a577247?d=wavatar",
"has_key": false
}