How do I format add string formating to a json request in python?

I am currnettly calling an API and apssing the values into the API below.

body = f"""{
  "projectKey": {function(Data["key"].value)},
  "summary": "Data for alert: {account_id}}",
  "description": "New issue from prisma alertId: {alert_id} and accountId:{account_id}",
  "reporter": "username",
  "issueType": {Data["Key"].value}
}"""

I receive SyntaxError: f-string: single '}' is not allowed

It looks like when I make a requests call I have to implement brackets in the is? example. And this causes an error. I'm wondering if there's a way around th