paymentDates

GET_account_12345678_paymentDates.json

{
  [
    { "date": "2012-06-13" },
    { "date": "2012-07-20" },
    { "date": "2012-08-20" },
    { "date": "2012-09-20" }
  ]
}

GET_account_12345678_paymentDates_20.json

{
  [
    {
      "date": "2012-06-13",
      "locked": true
    },
    { "date": "2012-07-20" },
    { "date": "2012-08-20" },
    { "date": "2012-09-20" }
  ]
}

GET_account_12345678_paymentDates___CHANGED_DATE__.json

{
  [
    { "date": "2012-06-13", "billPeriodLength": 'longer' },
    { "date": "2012-07-20" },
    { "date": "2012-08-20" },
    { "date": "2012-09-20" }
  ]
}