API endpoint that allows users to be viewed or edited.

GET /api/users/3c9a0d8d-ecf2-4c59-847e-1d2a70e1facf/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/3c9a0d8d-ecf2-4c59-847e-1d2a70e1facf/?format=api",
    "username": "longl"
}