"campaign": {
    "type": "object",
    "properties": {
      "id": {
        "type": "integer",
        "minimum": 1,
        "maximum": 2147483647
      },
      "name": {
        "type": "string",
        "minLength": 1,
        "maxLength": 128
      },
      "start": {
        "type": "integer",
        "minimum": 0,
        "maximum": 2147483647,
        "description": "Время начала рекламной акции. Unix timestamp"
      },
      "end": {
        "type": "integer",
        "minimum": 0,
        "maximum": 2147483647,
        "description": "Время завершения рекламной акции. Unix timestamp"
      }
    },
    "additionalProperties": false,
    "required": [
      "id",
      "name",
      "start",
      "end"
    ]