results: Array
(
[member_ref] => 4453
[activity_id] =>
[activity_date] => 2020-01-01
[activity_type] => Subscription
[activity_description] => INRA group membership subscription 2020
[activity_cost] => 0
[renewal_date] => 2019-12-04
[payment_date] => 2019-12-24
[payment_reference] => Santander BT
[invoice_date] => 2020-01-08
[invoice_reference] =>
)