Hey Rushi! Looks like GCMS notes come back quickly these days, usually withing 12-15 days. 130 pages is quite a lot and extensive. Could be due to a family type application. As a single applicant, mine were like 30-40 pages only. Yeah, most of the notes are coded and ciphered. However, you will definitely see the exact status of the application under "Location" usually page 3 or 4 or 5. It should say if you application is Review Ready or Test Ready, or Ceremony ready. In your case, I think, it should say "Review Ready" and then indicate what PM it was assigned to. PM01, PM02 or PM03. These are all different rant officers. If it is PM01 then it is the lowest rank officer, which may indicate that your application is straightforward. If it is PM03 then it might mean that the application will be slowed down by some additional checks. Alos, at the last pages, at "Notes" it might have some insightful specific to your application information.
Hope you get your notes soon! But most importantly, hope you get "discission made" even sooner!