Open Api V3 User Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/etsy/refs/heads/main/json-structure/open-api-v3-user-structure.json",
  "name": "User",
  "description": "Represents a single user of the site",
  "type": "object",
  "properties": {
    "user_id": {
      "type": "int64",
      "description": "The numeric ID of a user. This number is also a valid shop ID for the user's shop.",
      "minimum": 1,
      "example": 456789
    },
    "primary_email": {
      "type": "string",
      "description": "An email address string for the user's primary email address. Access to this field is granted on a case by case basis for third-party integrations that require full access",
      "format": "email",
      "nullable": true,
      "example": "seller@example.com"
    },
    "first_name": {
      "type": "string",
      "description": "The user's first name.",
      "nullable": true,
      "example": "Handmade Ceramic Mug"
    },
    "last_name": {
      "type": "string",
      "description": "The user's last name.",
      "nullable": true,
      "example": "Handmade Ceramic Mug"
    },
    "image_url_75x75": {
      "type": "string",
      "description": "The user's avatar URL.",
      "nullable": true,
      "example": "https://www.etsy.com/listing/123456789"
    }
  }
}