curl --location 'https://api-public.groundtruth.com/reporting/tav/campaign//adgroups?post_date=undefined&version=undefined&tenant_id=undefined'[
{
"campaign_id": 0,
"adgroup_id": 0,
"version": "string",
"adgroup_tav_point_estimate": 0,
"adgroup_tav_upper_estimate": 0,
"adgroup_tav_lower_estimate": 0
}
]