curl --request PATCH \
  --url https://api.example.com/users/{id} \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "<string>",
  "confirmAvatar": true,
  "removeAvatar": true
}
'

{
  "id": "<string>",
  "username": "<string>",
  "avatarUrl": "<string>",
  "identities": [
    {
      "provider": "<string>",
      "providerAccountId": "<string>",
      "proxyWallet": "<string>"
    }
  ]
}