{
  "name": "New Template",
  "product_channel_id": 10,
  "custom_attribute_mappings": [
    {
      "name": "Name",
      "product_custom_attribute_id": 17,
      "required": false
    },
    {
      "name": "SKU",
      "product_custom_attribute_id": 18,
      "required": true
    },
    {
      "name": "Image",
      "product_custom_attribute_id": 49,
      "required": false
    },
    {
      "name": "Description",
      "product_custom_attribute_id": 25,
      "required": false
    }
  ]
}