Retrieves a transaction via it's paid merchant order
{- "_id": "tran_Z5kQAfhleGTnT8cO",
- "merchantId": "mcht_Z5kQAfhleGTnT8cL",
- "customerId": "cust_Z5kQAfhleGTnT8cM",
- "merchantOrderId": "ordr_Z5kQAfhleGTnT8cP",
- "transactionPayType": {
- "payCardId": "card_Z5kQBfhleGTnT8cn"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_Z5kQAfhleGTnT8cQ",
- "refundedAmount": 0,
- "payoutId": "payout_Z5kQAvhleGTnT8cY",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}