json_schema: {
      "additionalProperties": false,
      "anyOf": [
          {
              "required": [
                  "list_id"
              ]
          },
          {
              "required": [
                  "list_code"
              ]
          }
      ],
      "description": "Unsubscribe",
      "examples": [
          {
              "email": "test@test.com",
              "list_id": 1,
              "user_id": 1,
              "variant_id": 1
          },
          {
              "email": "test@test.com",
              "list_code": "123",
              "user_id": 1,
              "variant_id": null
          }
      ],
      "properties": {
          "email": {
              "_format": "email",
              "type": "string"
          },
          "list_code": {
              "type": "string"
          },
          "list_id": {
              "type": "integer"
          },
          "user_id": {
              "type": "integer"
          },
          "utm_params": {
              "additionalProperties": false,
              "properties": {
                  "utm_campaign": {
                      "type": "string"
                  },
                  "utm_content": {
                      "type": "string"
                  },
                  "utm_medium": {
                      "type": "string"
                  },
                  "utm_source": {
                      "type": "string"
                  }
              },
              "title": "Utm params",
              "type": "object"
          },
          "variant_id": {
              "anyOf": [
                  {
                      "type": "integer"
                  },
                  {
                      "type": "null"
                  }
              ]
          }
      },
      "required": [
          "email",
          "user_id"
      ],
      "title": "Unsubscribe",
      "type": "object"
  }