Given all of the variables involved, including the ones too numerous to list here, there is no set approach defined for this.
However, it is certainly possible to get a meeting of the minds, prior to a meeting of more tangible, fleshy bits.
If you feel she is open to the idea, then here's one approach I might suggest. It's worked for me more times than it has failed. But some of those failures were epic disasters. At some time when you are talking to her, and the moment seems to flow naturally, let her know you have done sugar dating in the past. Don't give specifics on names, dates or amounts. Just let her know that that you have some wonderful memories of fun dates, experiencing upscale moments and of course, helping each other meet their needs. Don't go head-on and ask her if she wants to do this. (It's the soft-sell technique.)
Again, don't go into details. Leave it somewhat vague. If she asks for names or details, demur and reinforce that a big part of this is discretion. Her ask for specifics is a "shit test" to ensure you won't brag or blab about arrangements. Then just smile warmly while remembering the good times. That helps develop trust.
IF she is really interested, she will keep asking questions. Take your cue from there. Answer questions truthfully, but not bluntly. If she remains interested and engaged, at some point you can ask her if she'd consider "something like that." As long as she does not flat out reject the idea, you might suggest meeting or chatting somewhere away from where you are now, since presumably you are with other people you both know. If you can move on to a "private" meeting in public (say at a Starbucks) you can explore her needs and expectations like at any other M&G. As with any POT, don't be in a hurry, or try to pressure her to move forward. Stress that this is all about mutual consent.
Please let us know how it works out.
Life is good
The Cat