API endpoint that allows users to be viewed or edited.

GET /api/users/52d2e181-9df7-4dcd-8ffb-420d4e7f1da9/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/52d2e181-9df7-4dcd-8ffb-420d4e7f1da9/?format=api",
    "username": "身在棋中3d"
}