message: Copied all headers from content response in content lambda.
diff: import { Request, Response } from 'express'
  import fetch from "node-fetch"
  +import { Response as NodeFetchResponse } from "node-fetch"
  import { Environment } from '../../../Environment'
  import { baseContentServerUrl } from '../../../EnvironmentUtils'
  @@ -126,21 +127,15 @@ export async function getContents(env: Environment, req: Request, res: Response)
  const cid = req.params.cid;
  const v3Url = baseContentServerUrl(env) + `/contents/${cid}`
  - const response = await fetch(v3Url)
  - if (response.ok) {
  - res.contentType("application/octet-stream");
  - copyContentLength(response, res)
  - res.status(200);
  - response.body.pipe(res);
  + const contentServerResponse = await fetch(v3Url)
  + if (contentServerResponse.ok) {
  + copySuccessResponse(contentServerResponse, res)
  } else {
  - if (response.status===404) {
  + if (contentServerResponse.status===404) {
  // Let's try on the old content server
  - const responsev2 = await fetch(`https://content.decentraland.org/contents/${cid}`)
  - if (responsev2.ok) {
  - res.contentType('application/octet-stream')
  - copyContentLength(responsev2, res)
  - res.status(200);
  - responsev2.body.pipe(res);
  + const legacyContentServerResponse = await fetch(`https://content.decentraland.org/contents/${cid}`)
  + if (legacyContentServerResponse.ok) {
  + copySuccessResponse(legacyContentServerResponse, res)
  } else {
  res.status(404).send()
  }
  @@ -150,9 +145,16 @@ export async function getContents(env: Environment, req: Request, res: Response)
  }
  }
  -function copyContentLength(response, res: Response) {
  - if (response.headers.get("Content-Length"))
  - res.setHeader("Content-Length", response.headers.get("Content-Length")!)
  +function copySuccessResponse(responseFrom: NodeFetchResponse, responseTo: Response) {
  + copyHeaders(responseFrom, responseTo)
  + responseTo.status(200);
  + responseFrom.body.pipe(responseTo);
  +}
  +
  +function copyHeaders(responseFrom: NodeFetchResponse, responseTo: Response) {
  + responseFrom.headers.forEach((headerValue, headerName) => {
  + responseTo.setHeader(headerName, headerValue)
  + })
  }
  function findSceneJsonId(entity:V3ControllerEntity): string {
  