Retrieves a transaction via it's paid merchant order
{- "_id": "tran_aD5uYevOL0dRsEMc",
- "merchantId": "mcht_aD5uYevOL0dRsEMZ",
- "customerId": "cust_aD5uYevOL0dRsEMa",
- "merchantOrderId": "ordr_aD5uYevOL0dRsEMd",
- "transactionPayType": {
- "payCardId": "card_aD5uZOvOL0dRsEM1"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_aD5uYevOL0dRsEMe",
- "refundedAmount": 0,
- "payoutId": "payout_aD5uYuvOL0dRsEMl",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}