API endpoint that allows users to be viewed or edited.

GET /api/users/7d8d20e4-9d39-4c7d-97f1-66e3513e6beb/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/7d8d20e4-9d39-4c7d-97f1-66e3513e6beb/?format=api",
    "username": "上下左右"
}