Create a ProductPlan using a product plan generator

curl --request POST \
     --url https://app.amberflo.io/payments/pricing/amberflo/account-pricing/product-plans/template/seat_based \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '{
     "id": "",
     "billingPeriod": {},
     "planName": "",
     "priceGenerators": {
     "distinctDimensions": [],
     "id": "",
     "leafNodeType": "",
     "priceTiers": [
     {}
     ],
     "productItemId": "",
     "usageGranularity": "",
     "type": "tiered_seat_based"
     },
     "entitlements": [
     {
     "id": "",
     "apiName": ""
     }
     ],
     "type": "seat_based"
     }'