curl --location 'https://api-public.groundtruth.com/reporting/product/campaign//targeting?start_date=undefined&end_date=undefined&limit=undefined&tenant_id=undefined'{
"impressions": [
{
"name": "string",
"val": 0
}
],
"ctr": [
{
"name": "string",
"val": 0
}
],
"vr": [
{
"name": "string",
"val": 0
}
]
}