content: {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "properties": {
      "num1": {
        "type": "number"
      },
      "num2": {
        "type": "number"
      }
    },
    "required": [
      "num1",
      "num2"
    ],
    "title": "Calculator Validator Model",
    "type": "object"
  }