curl --request GET \
  --url https://api.contextual.ai/v1/users \
  --header 'Authorization: Bearer <token>'

{
  "users": [
    {
      "email": "<string>",
      "is_tenant_admin": false,
      "roles": [
        "VISITOR"
      ],
      "agent_level_roles": [
        "AGENT_LEVEL_USER"
      ],
      "per_agent_roles": [
        {
          "agent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "roles": [
            "AGENT_LEVEL_USER"
          ],
          "grant": true
        }
      ],
      "id": "<string>",
      "effective_roles": [
        "VISITOR"
      ]
    }
  ],
  "next_cursor": "<string>"
}