Retrieves a transaction via it's paid merchant order
{- "_id": "tran_aV3sD4VEfXnQxJD9",
- "merchantId": "mcht_aV3sD4VEfXnQxJD6",
- "customerId": "cust_aV3sD4VEfXnQxJD7",
- "merchantOrderId": "ordr_aV3sD4VEfXnQxJD-",
- "transactionPayType": {
- "payCardId": "card_aV3sE4VEfXnQxJEW"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_aV3sD4VEfXnQxJD_",
- "refundedAmount": 0,
- "payoutId": "payout_aV3sEIVEfXnQxJEG",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}