json_schema: {
      "definitions": {
          "activeIndicator": {
              "oneOf": [
                  {
                      "$ref": "#/definitions/indicator"
                  }
              ],
              "properties": {
                  "config": {
                      "properties": {
                          "checked": {
                              "type": "boolean"
                          }
                      },
                      "required": [
                          "checked"
                      ],
                      "type": "object"
                  }
              },
              "required": [
                  "config"
              ],
              "type": "object"
          },
          "indicator": {
              "properties": {
                  "content": {
                      "properties": {
                          "id": {
                              "type": "string"
                          },
                          "label": {
                              "type": "string"
                          },
                          "title": {
                              "type": "string"
                          }
                      },
                      "required": [
                          "label",
                          "title",
                          "id"
                      ],
                      "type": "object"
                  }
              },
              "required": [
                  "content"
              ],
              "type": "object"
          }
      },
      "description": "A MWF sequence indicator component's schema definition.",
      "properties": {
          "content": {
              "properties": {
                  "items": {
                      "items": {
                          "anyOf": [
                              {
                                  "$ref": "#/definitions/indicator"
                              },
                              {
                                  "$ref": "#/definitions/activeIndicator"
                              }
                          ]
                      },
                      "type": "array"
                  }
              },
              "required": [
                  "items"
              ],
              "type": "object"
          }
      },
      "required": [
          "content"
      ],
      "title": "Sequence indicator",
      "type": "object"
  }