Tell me what you'd like to do — offramp crypto to your bank, e.g. "Offramp 500 USDC on Base to my GTBank account 0123456789, Jane Doe", or onramp fiat to USDC, e.g. "Buy 50000 NGN of USDC to GALC4...XZOQCR, refund to my OPay account 0987654321, Jane Doe".