results: Array
(
[member_ref] => 5414
[activity_id] =>
[activity_date] => 2020-01-07
[activity_type] => Subscription
[activity_description] => 2020 EASE Subscription
[activity_cost] => 92
[renewal_date] =>
[payment_date] => 2020-01-06
[payment_reference] => WP12687597094
[invoice_date] => 2020-01-06
[invoice_reference] =>
)