event:
  type: object
  properties:
    id:
      type: string
      example: "17398-cme-april-first-trade"
    date:
      type: string
      example: "2018-04-02T00:00:00Z"
    date_to:
      type: string
      nullable: true
    name:
      type: string
      example: "CME: April First Trade"
    description:
      type: string
      example: "First trade of Bitcoin futures contract for April 2018."
    is_conference:
      type: boolean
      example: false
    link:
      type: string
      example: "http://www.cmegroup.com/trading/equity-index/us-index/bitcoin_product_calendar_futures.html"
      nullable: true
    proof_image_link:
      type: string
      example: "https://static.coinpaprika.com/storage/cdn/event_images/16635.jpg"
      nullable: true