The rat issue will be under responsibility of building management or local council or Jab. Alam Sekitar or Jab. Kesihatan M'sia. So nothing TM can do apart from replacing the bitten cable. Also, this probably fall under force majeure and cannot be brought to court. The best you can do is bear with it and do report to tm when the issue happen or terminate unifi and subscribe unifi air or digi unlimited or wait for 5G