curl --request GET \
  --url https://api.returnshelper.com/uat/user/api/Fba/FbaInstructionSendToFulfillment/get \
  --header 'x-rr-apikey: <api-key>' \
  --header 'x-rr-apitoken: <api-key>'

{
  "data": {
    "fbaInstructionSendToFulfillmentId": "<string>",
    "fbaInstructionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "apiId": 123,
    "fbaInstructionNumber": "<string>",
    "fbaInstructionHandlingCode": "<string>",
    "handlingStatusCode": "<string>",
    "quantity": 123,
    "warehouseId": 123,
    "warehouseApiId": 123,
    "createOn": "2023-11-07T05:31:56Z",
    "modifyOn": "2023-11-07T05:31:56Z",
    "warehouseRemarks": "<string>",
    "cancelRemarks": "<string>",
    "fbaInstructionSendToFulfillmentItemList": [
      {}
    ]
  }
}