REST API Big fix requests

hi!

need support plz - I’m trying exclude instance from price calculation - but response 400 - error.
what’s is problem?

I have output:
09:40:05 <Response [400]>
09:40:05 {“objects”:“productInventoryId,null,”,“message”:{“code”:“CODIF2017E”,“text”:"[ productInventoryId: null ] An error occurred while parsing the provided request parameters."}}

import requests
import requests.packages.urllib3

requests.packages.urllib3.disable_warnings()

url = 'https://serverBigfix:port/api/sam/swinventory/exclude’
urlparams = {‘token’: TOKEN, ‘productInventoryID’: ‘205’, ‘updateTime’: ‘1568106166012’, ‘reason’: ‘no_licensing’ }
headers = {‘content-type’: ‘application/json’, ‘accept-language’: ‘en-US’}
r3 = requests.post(url, params=urlparams, headers=headers, json=None, verify=False)
r3.encoding=‘utf-8’

print(r3)
print(r3.content)

https://www.ibm.com/docs/en/license-metric-tool?topic=classification-exclusion-instances-from-pricing-calculations

Resolved. Syntax error.