results: Array
(
[member_ref] => 5558
[activity_id] =>
[activity_date] => 2020-12-10
[activity_type] => Subscription
[activity_description] => Croatian Regional Chapter group membership subscription 2021
[activity_cost] => 54
[renewal_date] => 2020-12-10
[payment_date] =>
[payment_reference] =>
[invoice_date] =>
[invoice_reference] =>
)