API endpoint that allows users to be viewed or edited.

GET /api/users/fcc17b00-5686-4f11-a1c1-8dd44fa1a812/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/fcc17b00-5686-4f11-a1c1-8dd44fa1a812/?format=api",
    "username": "可乐与糖"
}