Comma-separated list of privileges for a wallet. Includes:
- `admin` - Can manage wallet policies and users and approve or reject pending approvals.
- `freeze` - Can freeze a wallet, disabling all withdrawals.
- `spend` - Can initiate withdrawals and generate new receive addresses.
- `trade` - Can initiate trades from a Go Account (`trading` wallet type).
- `view` - Can view balances and transactions.
Permissions don't overlap. Required parameter if 'reshare' is false.