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: