curl --location --request POST 'https://www.amazon.com/ap/oa/product/metadata' \
--header 'Amazon-Advertising-API-ClientId: {{client_id}}' \
--header 'Authorization: Bearer {{access_token}}' \
--header 'Amazon-Advertising-API-Scope: {{profileId}}' \
--header 'Prefer: return=representation' \
--header 'Content-Type: text/plain' \
--data-raw '{
"asins": [
"B0B9VJLZ69"
],
"adType": "SP",
"pageSize": 5,
"pageIndex": 0
}'
{}