API endpoint that allows users to be viewed or edited.

GET /api/users/8537ebb8-6e86-4f0c-92c1-5c75d96b385f/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/8537ebb8-6e86-4f0c-92c1-5c75d96b385f/?format=api",
    "username": "天际ABC"
}