curl --request POST \
  --url https://api.example.com/cabinet/polls/{response_id}/start \
  --header 'Authorization: Bearer <token>'

{
  "response_id": 123,
  "current_question_index": 123,
  "total_questions": 123,
  "question": {
    "id": 123,
    "text": "<string>",
    "order": 123,
    "options": [
      {
        "id": 123,
        "text": "<string>",
        "order": 123
      }
    ]
  }
}