results: Array
(
[member_ref] => 5905
[contact_id] => 39512
[activity_id] =>
[activity_date] => 2022-03-21
[activity_type] => Subscription
[activity_description] => EASE 2022 membership subscription
[activity_cost] => 60
[renewal_date] =>
[payment_date] => 2022-03-21
[payment_reference] => WP21653602744
[invoice_date] =>
[invoice_reference] =>
)