import { google } from "googleapis";
import { debug } from "firebase-functions/logger";

  const androidpublisher = google.androidpublisher({
    version: "v3",
    auth: auth,
  });

  const result = androidpublisher.purchases.subscriptions.get({
    packageName: receipt.packageName,
    token: receipt.token,
    subscriptionId: receipt.productId,
  });

  debug(result); <- this fails with the callstack: 
{"severity":"DEBUG","message":"TypeError [ERR_INVALID_THIS]: Value of \"this\" must be of type URLSearchParams\n    at get size (node:internal/url:466:13)\n    at Reflect.get (<anonymous>)\n    at Object.get (file:///.../node_modules/googleapis-common/node_modules/node-fetch/src/headers.js:143:22)\n    at removeCircular 

  // actual business logic here