array (
  0 => 
  array (
    'contents' => 
    array (
    ),
    'contents_cost' => 0,
    'applied_coupons' => 
    array (
    ),
    'user' => 
    array (
      'ID' => 0,
    ),
    'destination' => 
    array (
      'country' => 'CA',
      'state' => 'ON',
      'postcode' => 'K1H 8C8',
      'city' => '',
      'address' => '',
      'address_1' => '',
      'address_2' => '',
    ),
    'cart_subtotal' => 0,
  ),
)