Sure, here's an example of a complex, valid JSON Schema that describes a fictional e-commerce website's product data:

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{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Product",
  "description": "Schema for a product on an e-commerce website",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer"
    },
    "name": {
      "type": "string",
      "maxLength": 100
    },
    "description": {
      "type": "string",
      "maxLength": 500
    },
    "price": {
      "type": "number",
      "minimum": 0
    },
    "brand": {
      "type": "string",
      "maxLength": 50
    },
    "category": {
      "type": "string",
      "enum": ["electronics", "clothing", "books"]
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 20
      }
    },
    "image": {
      "type": "string",
      "format": "uri"
    },
    "variants": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "integer"
          },
          "name": {
            "type": "string",
            "maxLength": 100
          },
          "price": {
            "type": "number",
            "minimum": 0
          },
          "image": {
            "type": "string",
            "format": "uri"
          },
          "options": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "name": {
                  "type": "string",
                  "maxLength": 50
                },
                "values": {
                  "type": "array",
                  "items": {
                    "type": "string",
                    "maxLength": 50
                  }
                }
              },
              "required": ["name", "values"]
            }
          }
        },
        "required": ["id", "name", "price", "options"]
      }
    }
  },
  "required": ["id", "name", "description", "price", "brand", "category", "tags", "image", "variants"]
}

This JSON Schema describes a product object that has the following properties:

• id: An integer representing the product ID.
• name: A string representing the name of the product, with a maximum length of 100 characters.
• description: A string representing the description of the product, with a maximum length of 500 characters.
• price: A number representing the price of the product, with a minimum value of 0.
• brand: A string representing the brand of the product, with a maximum length of 50 characters.
• category: A string representing the category of the product, which can only be one of the following values: "electronics", "clothing", or "books".
• tags: An array of strings representing the tags associated with the product, with a maximum length of 20 characters per tag.
• image: A string representing the URL of the product image, formatted as a URI.
• variants: An array of objects representing the product variants, where each variant has the following properties:
  • id: An integer representing the variant ID.
  • name: A string representing the name of the variant, with a maximum

Sure! Here are three example objects that adhere to the schema:

1. Example product object with one variant:

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{
  "id": 1,
  "name": "Smartphone",
  "description": "A high-end smartphone with cutting-edge features.",
  "price": 999.99,
  "brand": "Samsung",
  "category": "electronics",
  "tags": ["smartphone", "high-end", "Samsung"],
  "image": "https://example.com/smartphone.jpg",
  "variants": [
    {
      "id": 1,
      "name": "128GB",
      "price": 999.99,
      "image": "https://example.com/smartphone-128gb.jpg",
      "options": [
        {
          "name": "Color",
          "values": ["black", "silver"]
        },
        {
          "name": "Carrier",
          "values": ["Verizon", "AT&T", "T-Mobile"]
        }
      ]
    }
  ]
}

2. Example product object with multiple variants:

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{
  "id": 2,
  "name": "T-Shirt",
  "description": "A classic cotton t-shirt for everyday wear.",
  "price": 19.99,
  "brand": "Hanes",
  "category": "clothing",
  "tags": ["t-shirt", "cotton", "Hanes"],
  "image": "https://example.com/t-shirt.jpg",
  "variants": [
    {
      "id": 1,
      "name": "Small",
      "price": 19.99,
      "image": "https://example.com/t-shirt-small.jpg",
      "options": [
        {
          "name": "Color",
          "values": ["white", "black", "gray"]
        }
      ]
    },
    {
      "id": 2,
      "name": "Medium",
      "price": 19.99,
      "image": "https://example.com/t-shirt-medium.jpg",
      "options": [
        {
          "name": "Color",
          "values": ["white", "black", "gray"]
        }
      ]
    },
    {
      "id": 3,
      "name": "Large",
      "price": 19.99,
      "image": "https://example.com/t-shirt-large.jpg",
      "options": [
        {
          "name": "Color",
          "values": ["white", "black", "gray"]
        }
      ]
    }
  ]
}

3. Example product object with no variants:

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{
  "id": 3,
  "name": "The Great Gatsby",
  "description": "A classic novel by F. Scott Fitzgerald.",
  "price": 12.99,
  "brand": "Penguin Books",
  "category": "books",
  "tags": ["fiction", "classic", "F. Scott Fitzgerald"],
  "image": "https://example.com/great-gatsby.jpg",
  "variants": []
}

All of these objects adhere to the schema and include all of the required properties, as well as any additional properties that are allowed by the schema.