curl --request POST \
--url https://nini.monieswitch.com/virtual-accounts/fund-sandbox \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"amount": 2000,
"customerReference": "JoYQy5X6pb4F6t6P1Lj2lsknxcIhYCyRiwmA",
"narration": "Setup payment"
}'