Get the latest catalog importation reporting

Example response

{
  "links": {
    "self": {
      "href": "/v2/user/catalogs/a42b780d-4585-4566-800e-4d77a4d6f8a3/importations",
      "method": "GET"
    },
    "start": {
      "href": "/v2/user/catalogs/a42b780d-4585-4566-800e-4d77a4d6f8a3/importations/start",
      "method": "POST",
      "parameters": {
        "request": {
          "in": "body",
          "required": true,
          "type": "object",
          "schema": "startManualImportRequest"
        }
      }
    }
  },
  "importations": [
    {
      "links": {
        "report": {
          "href": "/v2/user/catalogs/a42b780d-4585-4566-800e-4d77a4d6f8a3/importations/222ef571-bdb7-436d-a01a-e5a0e911432/report",
          "method": "GET"
        }
      },
      "executionId": "bf3bc288-604c-4267-925e-66b1a15dca75",
      "stepName": "IsSaveInDb",
      "userId": "8a7fbdec-9e71-472e-9974-27d5c1d57cf8",
      "errors": [
        {
          "docUrl": "https://api-docs.beezup.com/#operation/EnableChannelCatalog",
          "code": "CatalogImportationAlreadyInProgress(ExecutionId currentCatalogImportationId)",
          "message": "There is already an importation in progress: b24d0dd8-a561-478a-9b26-34f573f03527\n",
          "cultureName": "en",
          "arguments": [
            {
              "name": "currentCatalogImportationId"
            }
          ]
        }
      ],
      "lastUpdateUtcDate": "2017-04-01T13:10:09Z",
      "beginUtcDate": "2017-04-01T13:01:01Z",
      "endUtcDate": "2017-04-01T13:10:09Z",
      "inputConfigurationUrl": "http://blal.com/catalog.csv",
      "inputConfigurationBatchUrls": {
        "64f43358-63a1-47f7-97ec-0301fc39956b": "https://google.fr/file1.csv'",
        "64f43358-1234-47f7-97ec-0301fc39956b": "https://google.fr/file2.csv'"
      },
      "steps": {
        "isCatalogImportPrepareReadCompleted": "false",
        "isCatalogImportComputeDiffCompleted": "false",
        "isCatalogUpdateCompleted": "false",
        "isSavedInDb": "false"
      }
    }
  ]
}