invoice_1:
  id: 1
  invoiced_id: 1
  invoiced_type: Subscription
  stp_invoice_id: in_17wpf92sOmf47Nz9itj6vmJw
  total: 10000
  created_at: 2016-04-05 08:35:52.931187000 Z
  updated_at: 2016-04-05 08:35:52.931187000 Z
  user_id: 3
  reference: 1604001/VL
  avoir_mode:
  avoir_date:
  invoice_id:
  type:
  subscription_to_expire:
  description:

invoice_2:
  id: 2
  invoiced_id: 2
  invoiced_type: Subscription
  stp_invoice_id:
  total: 2000
  created_at: 2016-04-05 08:36:46.853368000 Z
  updated_at: 2016-04-05 08:36:46.853368000 Z
  user_id: 4
  reference: '1604002'
  avoir_mode:
  avoir_date:
  invoice_id:
  type:
  subscription_to_expire:
  description:

invoice_3:
  id: 3
  invoiced_id: 3
  invoiced_type: Subscription
  stp_invoice_id:
  total: 3000
  created_at: 2012-03-12 11:03:31.651441000 Z
  updated_at: 2012-03-12 11:03:31.651441000 Z
  user_id: 7
  reference: '1203001'
  avoir_mode:
  avoir_date:
  invoice_id:
  type:
  subscription_to_expire:
  description:


invoice_4:
  id: 4
  invoiced_id: 1
  invoiced_type: Reservation
  stp_invoice_id:
  total: 0
  created_at: 2012-03-12 13:40:22.342717000 Z
  updated_at: 2012-03-12 13:40:22.342717000 Z
  user_id: 7
  reference: '1203002'
  avoir_mode:
  avoir_date:
  invoice_id:
  type:
  subscription_to_expire:
  description: