subscription_1:
  id: 1
  plan_id: 2
  user_id: 3
  stp_subscription_id: sub_8DGB4ErIc2asOv
  created_at: 2016-04-05 08:35:51.784514000 Z
  updated_at: 2016-04-05 08:35:51.784514000 Z
  expired_at: 2016-06-05 08:35:51.000000000 Z
  canceled_at: 2016-04-05 08:35:55.615387000 Z

subscription_2:
  id: 2
  plan_id: 3
  user_id: 4
  stp_subscription_id: 
  created_at: 2016-04-05 08:36:46.829879000 Z
  updated_at: 2016-04-05 08:36:46.829879000 Z
  expired_at: 2016-05-05 08:36:46.828332000 Z
  canceled_at: