Sorry for your loss.
Here is some information you might find useful about the rights issue: https://www.ii.co.uk/analysis-commentary/rolls-royce-rights-issue-all-you-need-know-ii513777.
Essentially, for every 3 shares you own you can purchase 10 shares for 32p per share. If you want to purchase, as soon as possible, you need to follow the in app instructions.