curl --request POST \
  --url https://api.getovra.com/agents/{id}/fund \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "amount": 123
}'

{
  "agentId": "<string>",
  "amount": 123,
  "walletBalanceEuros": 123,
  "cardBalanceEuros": 123
}