{
  "type": "external_account",
  "audience": "//iam.googleapis.com/projects/12345/locations/global/workloadIdentityPools/foobar/providers/bazbas",
  "subject_token_type": "urn:ietf:params:oauth:token-type:jwt",
  "token_url": "https://sts.googleapis.com/v1beta/token",
  "credential_source": {
    "url": "http://test.com"
  }
}
