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I'm trying to acquire a service token from the 'https://sandbox-sts.ddp.akoya.com/oauth2/token' endpoint. I have the required headers, and in the body I have the required parameters (grant_type=client_credentials, scope=app_management_v2) and I'm getting the following json response:

{
	"error": "invalid_scope",
	"error_description": "The requested scope is invalid, unknown, or malformed. The OAuth 2.0 Client is not allowed to request scope 'app_management_v2'."
}