Retrieves a transaction via it's paid merchant order
{- "_id": "tran_aZjMzATgB2rtY0XQ",
- "merchantId": "mcht_aZjMzATgB2rtY0XN",
- "customerId": "cust_aZjMzATgB2rtY0XO",
- "merchantOrderId": "ordr_aZjMzATgB2rtY0XR",
- "transactionPayType": {
- "payCardId": "card_aZjMzwTgB2rtY0Xp"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_aZjMzATgB2rtY0XS",
- "refundedAmount": 0,
- "payoutId": "payout_aZjMzQTgB2rtY0XZ",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}