How do I do this:

[Confused]

The initiation of the Queen’s Chamber has to do with the abandoning of self to such desire to know the Creator in full that the purified in-streaming light is drawn in balanced fashion through all energy centers, meeting in indigo and opening the gate to intelligent infinity. Thus the entity experiences true life or, as your people call it, resurrection.

What is experiencing 'true life?' Who has done this? What is this like?

Any thoughts are appreciated!

In my opinion, Ra is very consistent with its verbiage, and leaves information on a particular topic strewn across the entire text of the LOO. Thus, it may be useful to match words to analyze any given question. For instance, in the quote you picked, Ra indicates that 'true life' may otherwise be called 'resurrection'. I just checked whether Ra mentioned 'resurrection' in other places, and found the following quotes, among others, useful in regard to providing further food or clues for the excellent question that you raise -

65.20 Questioner: I don’t know if this question is related to what I am trying to get at or not. I’ll ask it and see what results. You mentioned in speaking of the pyramids the resonating chamber was used so that the adept could meet the self. Would you explain what you meant by that?

Ra: I am Ra. One meets the self in the center or deeps of the being. The so-called resonating chamber may be likened unto the symbology of the burial and resurrection of the body wherein the entity dies to self and through this confrontation of apparent loss and realization of essential gain, is transmuted into a new and risen being.

65.21 Questioner: Could I make the analogy of in this apparent death of losing the desires that are the illusory, common desires of third-density and gaining desires of total service-to-others?

Ra: I am Ra. You are perceptive. This was the purpose and intent of this chamber as well as forming a necessary portion of the King’s Chamber position’s effectiveness.

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I don't know.

This might sound like a non-answer. Like, 'why say anything at all?' It's not.
I don't know, and it bears noting.

I like that.