curl --request GET \
  --url https://api.dfns.io/auth/users/{userId} \
  --header 'Authorization: Bearer <token>'

{
  "username": "<string>",
  "name": "<string>",
  "userId": "us-6b58p-r53sr-rlrd3l5cj3uc4ome",
  "kind": "AccountUser",
  "credentialUuid": "<string>",
  "orgId": "<string>",
  "isActive": true,
  "isServiceAccount": true,
  "isRegistered": true,
  "isSSORequired": true,
  "permissionAssignments": [
    {
      "permissionName": "<string>",
      "permissionId": "<string>",
      "assignmentId": "<string>",
      "operations": [
        "<string>"
      ]
    }
  ],
  "permissions": [
    "<string>"
  ]
}