{
  "Type": "AWS::WAF::SizeConstraintSet",
  "Properties": {
    "Name": "SizeConstraints",
    "SizeConstraints": [
      {
        "ComparisonOperator": "EQ",
        "FieldToMatch": {
          "Type": "BODY"
        },
        "Size": "4096",
        "TextTransformation": "NONE"
      }
    ]
  }
}