com.owletcare.owletcare can't login (firebaseauth)

Affected app
Name: Owlet
Package id: com.owletcare.owletcare

https://play.google.com/store/apps/details?id=com.owletcare.owletcare&hl=en_US&gl=US

Describe the bug
Owlet app can't login and can't find firebaseauth

12-05 16:50:07.515 28363 28363 I BiChannelGoogleApi: [FirebaseAuth: ] getGoogleApiForMethod() returned Gms: com.google.firebase.auth.k0.a.d@f08b28c
12-05 16:50:07.516 28363 28409 W DynamiteModule: Local module descriptor class for com.google.firebase.auth not found.
12-05 16:50:07.517 28363 28409 W GooglePlayServicesUtil: com.owletcare.owletcare requires the Google Play Store, but it is missing.
12-05 16:50:07.517 28363 28409 W GoogleApiManager: The service for com.google.firebase.auth.k0.a.t0 is not available: b{statusCode=SERVICE_INVALID, resolution=null, message=null}

To Reproduce
Steps to reproduce the behavior:

1. Click on login
2. enter email and password
3. Click login
4. No error or success happens

Expected behavior

It should login or fail, but nothing happens

System
Android Version: 10

microG
microG Core version: 0.2.22.212658
microG Self-Check results: All but signature spoofing ticked

Start by reproducing the failure from the app's login entry point using the reported Android 10 and microG 0.2.22.212658 setup, then compare the FirebaseAuth and Google Play Store errors in the supplied log. Done means the login either succeeds or presents a clear failure instead of doing nothing.