Get Journeys Traits

curl --request GET \
  --url https://api.onfabric.io/api/v1/journey/{user_id}/traits

{
  "sex": [
    {
      "category": "<string>",
      "score": 123,
      "support": 123
    }
  ],
  "country": [
    {
      "category": "<string>",
      "score": 123,
      "support": 123
    }
  ],
  "age": [
    {
      "category": "<string>",
      "score": 123,
      "support": 123
    }
  ],
  "political_affiliation": [
    {
      "category": "<string>",
      "score": 123,
      "support": 123
    }
  ],
  "affluence": [
    {
      "category": "<string>",
      "score": 123,
      "support": 123
    }
  ]
}