ad accounts-{ad account id}-bulk

Number of APIs: 3

1. Get advertiser entities in bulk POST {{baseUrl}}/ad_accounts/:ad_account_id/bulk/download

2. Create/update ad entities in bulk POST {{baseUrl}}/ad_accounts/:ad_account_id/bulk/upsert

3. Download advertiser entities in bulk GET {{baseUrl}}/ad_accounts/:ad_account_id/bulk/:bulk_request_id