curl --location --request POST 'https://imsbev1-production.up.railway.app/api/v1/conversions/create' \
--header 'Authorization: Bearer ' \
--form 'product_id="1"' \
--form 'from_unit_id="1"' \
--form 'to_unit_id="1"' \
--form 'conversion_value="12"'
{}