Hi Ustatleen, I talked this over with one of our engineers, and while you ​*can*​ do this, we're a little confused about why you would want to. Could you tell me more about your use case?
Are you wanting to sun server-side experiments and client-side experiments at the same time?
If the user bucketing is working well on the client-side, why do you want to do your own bucketing yourself?
If you use GrowthBook to bucket users on the client-side, but your own method to bucket users on the server-side, the buckets won't match and it will be hard to compare the analyses.
If you are going to do the bucketing yourself, you likely don't need the GrowthBook SDK since you'd only be using the GrowthBook dashboard for analyzing the experiments.
I hope this info is helpful. If you can answer my questions I might be able to provide more info.