json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "attributes": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "id": {
                          "type": "string"
                      },
                      "min": {
                          "type": "integer"
                      },
                      "max": {
                          "type": "integer"
                      },
                      "featureId": {
                          "type": "string"
                      }
                  },
                  "required": [
                      "id",
                      "min",
                      "max",
                      "featureId"
                  ]
              }
          },
          "contexts": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "id": {
                          "type": "string"
                      },
                      "min": {
                          "type": "integer"
                      },
                      "max": {
                          "type": "integer"
                      }
                  },
                  "required": [
                      "id",
                      "min",
                      "max"
                  ]
              }
          },
          "configuration": {
              "type": "object",
              "properties": {
                  "selectedFeatures": {
                      "type": "array",
                      "items": {
                          "type": "string"
                      }
                  },
                  "attribute_values": {
                      "type": "array",
                      "items": {
                          "type": "object",
                          "properties": {
                              "id": {
                                  "type": "string"
                              },
                              "value": {
                                  "type": "integer"
                              }
                          },
                          "required": [
                              "id",
                              "value"
                          ]
                      }
                  },
                  "context_values": {
                      "type": "array",
                      "items": {
                          "type": "object",
                          "properties": {
                              "id": {
                                  "type": "string"
                              },
                              "value": {
                                  "type": "integer"
                              }
                          },
                          "required": [
                              "id",
                              "value"
                          ]
                      }
                  }
              },
              "required": [
                  "selectedFeatures",
                  "attribute_values",
                  "context_values"
              ]
          },
          "constraints": {
              "type": "array",
              "items": {
                  "type": "string"
              }
          },
          "preferences": {
              "type": "array",
              "items": {
                  "type": "string"
              }
          }
      },
      "required": [
          "attributes",
          "contexts",
          "configuration",
          "constraints",
          "preferences"
      ]
  }