{
    "delegates": [
        "service-account-delegate@example.com"
    ],
    "service_account_impersonation_url": "https://iamcredentials.googleapis.com/v1/projects/-/serviceAccounts/service-account-target@example.com:generateAccessToken",
    "source_credentials": {
        "type": "external_account_authorized_user",
        "audience": "//iam.googleapis.com/locations/global/workforcePools/$WORKFORCE_POOL_ID/providers/$PROVIDER_ID",
        "refresh_token": "refreshToken",
        "token_url": "https://sts.googleapis.com/v1/oauth/token",
        "token_info_url": "https://sts.googleapis.com/v1/instrospect",
        "client_id": "clientId",
        "client_secret": "clientSecret"
    },
    "type": "impersonated_service_account"
}