A Poll object looks like:

{
  // The unique identifier for the poll.
  "id": 1023,
  // The question/title of the poll.
  "question": "What do you consider most important to your learning in this course?",
  // A short description of the poll.
  "description": "This poll is to determine what priorities the students in the course have.",
  // The time at which the poll was created.
  "created_at": "2014-01-07T15:16:18Z",
  // The unique identifier for the user that created the poll.
  "user_id": 105,
  // An aggregate of the results of all associated poll sessions, with the poll
  // choice id as the key, and the aggregated submission count as the value.
  "total_results": {"543":20,"544":5,"545":17}
}