The balance and net activity summary details.
last_refresh_datestring<date_no_time>Optionalbalance_summaryobject<balance_summary>Optionalcolumnsarray<columns>Optionaldataarray<array<string>>Optionalnet_activityobject<net_activity>Optionalcolumnsarray<definitions-columns>Optionalactivitiesobject<activity>[]Optionalactivity_detailsarray<array<string>>Optional