curl --location 'https://api.nomba.com/v1/bill/topup' \
  --header 'accountId: <accountId>' \
  --header 'Authorization: Bearer <token>' \
  --data '{
      "amount": 50,
      "phoneNumber": "08012345678",
      "network": "MTN",
      "merchantTxRef": "test1116",
      "senderName": "Testing"
  }'

{
    "code": "202",
    "description": "Processing...",
    "data": {
        "amount": "50",
        "meta": {
          "merchantTxRef": "test1116",
          "rrn": "240626232937"
        },
        "timeCreated": "2024-06-26T22:29:37.649Z",
        "type": "topup",
        "status": "Processing..."
    }
}