Retrieves a transaction via it's paid merchant order
{- "_id": "tran_aHDWo1ix32D24n0r",
- "merchantId": "mcht_aHDWo1ix32D24n0o",
- "customerId": "cust_aHDWo1ix32D24n0p",
- "merchantOrderId": "ordr_aHDWo1ix32D24n0s",
- "transactionPayType": {
- "payCardId": "card_aHDWp1ix32D24n1E"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_aHDWo1ix32D24n0t",
- "refundedAmount": 0,
- "payoutId": "payout_aHDWpFix32D24n00",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}