Agregar una o multiples variaciones

{  
        "sku": "NJAIR-PR",  
        "size": "31",  
	      "stock": 2,  
        "color": "cafe",  
        "price": 10,  
        "ean": "76527653615"  
}

[
  {
    "sku": "NJAIR-PR",
    "size": "31",
    "color": "cafe",
    "stock": 2,
    "price": 10,
    "ean": "76527653615",
    "images": [
      {
        "id_product_image": 56951147,
        "position": 1
      },
      {
        "id_product_image": 56951148,
        "position": 2
      }
    ]
  },
  {
    "sku": "NJAIR-PR-2",
    "size": "31",
    "color": "white",
    "stock": 2,
    "price": 10,
    "ean": "76527653614",
    "images": [
      {
        "id_product_image": 56951149,
        "position": 1
      }
    ]
  }
]

{
    "errors": [],
    "success": [
        {
            "warning": null,
            "sku": "NJAIR-PR",
            "id_product": 26909649
        }
    ]
}