Retrieves a transaction via it's paid merchant order
{- "_id": "tran_aGXZOMF-oHTqT24S",
- "merchantId": "mcht_aGXZOMF-oHTqT24P",
- "customerId": "cust_aGXZOMF-oHTqT24Q",
- "merchantOrderId": "ordr_aGXZOMF-oHTqT24T",
- "transactionPayType": {
- "payCardId": "card_aGXZO8F-oHTqT24r"
}, - "amount": 0,
- "currency": "AUD",
- "surchargeAmount": 0,
- "status": "accepted",
- "statusBeforeDispute": "accepted",
- "lastChargeId": "chrg_aGXZOMF-oHTqT24U",
- "refundedAmount": 0,
- "payoutId": "payout_aGXZOcF-oHTqT24b",
- "createdAt": "2019-08-24T14:15:22Z",
- "updatedAt": "2019-08-24T14:15:22Z",
- "fee": 0
}