Update Transactions in Bulk

Example response

{
  "response": [
    {
      "result": {
        "id": 873552027,
        "customFields": {
          "feedback": "niceUpdated",
          "store_experience": "abcUpdated"
        },
        "extendedFields": {
          "ship_first_name": "SamUpdated",
          "ship_last_name": "SundarUpdated"
        },
        "identifierType": "mobile",
        "identifierValue": "919986000586",
        "source": "INSTORE",
        "lineItems": [
          {
            "itemCode": "sku_486741_2",
            "extendedFields": {
              "GrossWeight": 100000.5,
              "MetalRate": 100000
            }
          }
        ]
      }
    }
  ],
  "totalCount": 2
}