Updates an existing multi-currency prepaid account. Behavior is controlled by the strategy field

Strategy	Use Case	Client Must Include Auto-Open Wallets?	Priority Controlled By
EXPLICIT_WITH_PRIORITY	Full control over wallet updates: add and reorder	Yes (must include all wallets)	Client (via wallet list order)
ADDITIONAL	Add extra wallets without changing existing ones or their order	No	Product (existing priorities remain unchanged)

The transaction uses the selected wallet first. If insufficient funds, the system falls back to other wallets in descending priority order.

**Applicable Products:** Multi-Currency-Prepaid **Applicable Client Types:** Private