message: Adding totalCount to transactionList result
diff: "$ref": "#/definitions/Transaction"
  }
  },
  + "totalCount": {
  + "description": "Total number of records.",
  + "type": "number",
  + "format": "int32",
  + "readOnly": true
  + },
  "nextLink": {
  "description": "The link (url) to the next page of results.",
  "type": "string",
  