curl --request GET \
  --url https://api.member.dev/api/v1/hub/{team_id}/hubs/{hub_id}/me/attributes \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "attributes": {
        "definition_id": "<string>",
        "definition_slug": "<string>",
        "type": "<string>",
        "option_ids": [
          "<string>"
        ],
        "option_slugs": [
          "<string>"
        ],
        "value_boolean": true,
        "value_date": "2023-12-25",
        "value_number": "<string>",
        "value_text": "<string>"
      },
      "id": "<string>",
      "type": "contact_attribute_values"
    }
  ]
}