-
  id: 1
  repo_id: 1
  name: milestone1
  content: content1
  is_closed: false
  num_issues: 1

-
  id: 2
  repo_id: 1
  name: milestone2
  content: content2
  is_closed: false
  num_issues: 0

-
  id: 3
  repo_id: 1
  name: milestone3
  content: content3
  is_closed: true
  num_issues: 0
