If indeed the bump is excess fibrous tissue, then it can be treated much like a papular acne scar, i.e. by the use of an intralesional anti-inflammatory injection to flatten it and, if necessary, supplemented or substituted with light electrocautery to flatten it. You would be wise to consult an...
The best way to augment your nose /lift the nose tip back to the original position non-surgically is to inject a small amount of dermal filler. If done correctly it will look very natural. In this case less is more.
For unique cases where a variety of modalities could be used to treat the condition, I would suggest an in person or virtual consultation to develop a custom and effective treatment plan. It is difficult to precisely define the best option without collecting the same information. I suggest...