JSON converstion not works as expected

[wuseal]

Plugin version: 2.3.0
JSON:

{
  "id": 1441,
  "name": "SOAP DISPENSER WITH ALL-PURPOSE VALVE",
  "slug": "soap-dispenser-with-all-purpose-valve",
  "permalink": "https://resourceserver.in/demo/vp/product/soap-dispenser-with-all-purpose-valve/",
  "date_created": "2018-11-12T10:51:24",
  "date_created_gmt": "2018-11-12T10:51:24",
  "date_modified": "2018-12-04T06:35:46",
  "date_modified_gmt": "2018-12-04T06:35:46",
  "type": "simple",
  "status": "publish",
  "featured": false,
  "catalog_visibility": "visible",
  "description": "\u003cp\u003eSoap dispenser\u003c/p\u003e\n\u003cp\u003eAll-purpose valve\u003cbr /\u003e\nPlastic push button with antibacterial-soap-resistant plastic cylinder and stainless steel spring\u003cbr /\u003e\nClear plastic view level indicator\u003cbr /\u003e\n40 oz. capacity of liquid lotion soaps\u003cbr /\u003e\nRemovable filler cap at top of unit is keyed to resist vandalism\u003cbr /\u003e\n8-1/4\" height x 4-7/8\" width x 3\" projection from wall\u003cbr /\u003e\nSatin stainless steel\u003c/p\u003e\n",
  "short_description": "",
  "sku": "",
  "price": "4636",
  "regular_price": "4636",
  "sale_price": "",
  "date_on_sale_from": null,
  "date_on_sale_from_gmt": null,
  "date_on_sale_to": null,
  "date_on_sale_to_gmt": null,
  "price_html": "\u003cspan class\u003d\"woocommerce-Price-amount amount\"\u003e\u003cspan class\u003d\"woocommerce-Price-currencySymbol\"\u003e\u0026#8377;\u003c/span\u003e4,636.00\u003c/span\u003e",
  "on_sale": false,
  "purchasable": true,
  "total_sales": 0,
  "virtual": false,
  "downloadable": false,
  "downloads": [],
  "download_limit": -1,
  "download_expiry": -1,
  "external_url": "",
  "button_text": "",
  "tax_status": "taxable",
  "tax_class": "",
  "manage_stock": true,
  "stock_quantity": 8,
  "in_stock": true,
  "backorders": "no",
  "backorders_allowed": false,
  "backordered": false,
  "sold_individually": false,
  "weight": "",
  "dimensions": {
    "length": "",
    "width": "",
    "height": ""
  },
  "shipping_required": true,
  "shipping_taxable": true,
  "shipping_class": "",
  "shipping_class_id": 0,
  "reviews_allowed": true,
  "average_rating": "0.00",
  "rating_count": 0,
  "related_ids": [
    1370,
    1424,
    1408,
    1410,
    1406
  ],
  "upsell_ids": [],
  "cross_sell_ids": [],
  "parent_id": 0,
  "purchase_note": "",
  "categories": [
    {
      "id": 63,
      "name": "Accessories",
      "slug": "accessories-laundry"
    },
    {
      "id": 60,
      "name": "Laundry",
      "slug": "laundry"
    }
  ],
  "tags": [
    {
      "id": 91,
      "name": "Sale",
      "slug": "sale"
    }
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  "images": [
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      "id": 1442,
      "date_created": "2018-11-12T10:51:09",
      "date_created_gmt": "2018-11-12T10:51:09",
      "date_modified": "2018-11-12T10:51:09",
      "date_modified_gmt": "2018-11-12T10:51:09",
      "src": "https://resourceserver.in/demo/vp/wp-content/uploads/2018/11/TY-0223024_usn.jpg",
      "name": "TY-0223024_usn",
      "alt": "",
      "position": 0
    }
  ],
  "attributes": [
    {
      "id": 1,
      "name": "Color",
      "position": 0,
      "visible": true,
      "variation": false,
      "options": [
        "Satin Stainless Steel"
      ]
    },
    {
      "id": 0,
      "name": "Dispenser/Dish",
      "position": 1,
      "visible": true,
      "variation": false,
      "options": [
        "Soap Dispenser"
      ]
    }
  ],
  "default_attributes": [],
  "variations": [],
  "grouped_products": [],
  "menu_order": 0,
  "meta_data": [
    {}
  ],
  "_links": {
    "self": [
      {
        "href": "https://resourceserver.in/demo/vp/wp-json/wc/v2/products/1441"
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    ],
    "collection": [
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        "href": "https://resourceserver.in/demo/vp/wp-json/wc/v2/products"
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}