Geofirestore get subcollections from geo collection in react-native

Question

I would like to retrieve the subcollections by making my request with geofirestore, like so:

The id of each PRODUCTS corresponds to that of the user who created new products (for the moment there is only one).

That's my code right now:

import firestore from '@react-native-firebase/firestore';
import * as geofirestore from 'geofirestore';

const firestoreApp = firestore();
const GeoFirestore = geofirestore.initializeApp(firestoreApp);
const geocollection = GeoFirestore.collection('PRODUCTS');

const query = geocollection.limit(30).near({
  center: new firestore.GeoPoint(coords.latitude, coords.longitude),
  radius: 1000,
});

try {
  query.onSnapshot((querySnapshot) => {
    const productsQueried = querySnapshot.docs.reduce(
      (result, documentSnapshot) => {
        console.log(documentSnapshot);
        if (documentSnapshot.id !== user.uid) {
          result.push(documentSnapshot.data());
        }
        return result;
      },
      []
    );
    setListOfProducts(productsQueried);
    console.log(productsQueried);
    setLoading(false);
  });
} catch (error) {
  console.log(error);
}

Of course, I can only find the geocollection, but cannot access the 'USER_PRODUCTS' collection inside. {exists: true, id: "OUJ6r3aF9nVfgtfkQRES7kpYCko1", distance: 0, data: ƒ}

The final goal is to retrieve a list of products for each close customer and then sort so as not to retrieve that of the current user.

Do I necessarily have to make a second request (can I do it in one?) Or do I have to change the way I save the product lists of different users in firestore?