How to manage staking amount? (Take Dapp as an example)

1.Go to generate USN page and select 'manage staking amount'.

2.If you need to add the staking amount, input the amount to be added and click on 'add staking amount'.

3.Signature request, click on 'confirm'.

4.Added successfully.

5.If you need to reduce the staking amount, input the amount to be reduced and click on 'reduce staking amount'.

6.Signature request, click on 'confirm'.

7.Reduced successfully.