message: Condition on microservice url on admin access route
diff: @@ -1364,7 +1364,9 @@ BitGo.prototype.addAccessToken = function(params, callback) {
  const bitgo = this;
  - const request = this.post(this.url('/user/accesstoken'));
  + const authUrl = this._microservicesUrl ? this.microservicesUrl('/api/v1/auth/accesstoken') : this.url('/user/accesstoken');
  + const request = this.post(authUrl);
  +
  if (!bitgo._ecdhXprv) {
  // without a private key, the user cannot decrypt the new access token the server will send
  request.forceV1Auth = true;
  