'Google Clouse Translate API calls return 400 Bad Request
I'm attempting to use the Google Cloud Translate API v3 to perform some translations in Postman.
I've configured my Google app to user an OAuth 2.0 Client ID. I can successfully get an access token using OAuth. But every time I make a request, the response is a 400 Bad Request.
Here are my OAuth 2.0 settings in Postman:

Here are the configured request headers:

And, here is the request body:

Any ideas on why I get a 400 response with this request?
Sources
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Source: Stack Overflow
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