API endpoint that allows users to be viewed or edited.

GET /api/users/9d7ac4bc-5e7c-493a-b933-cd18387fd9bd/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/9d7ac4bc-5e7c-493a-b933-cd18387fd9bd/?format=api",
    "username": "zhangcx"
}