json_schema: {
      "definitions": {
          "Requirement": {
              "$schema": "http://json-schema.org/draft-04/schema#",
              "type": "object",
              "additionalProperties": false,
              "properties": {
                  "Data1": {
                      "type": "integer"
                  },
                  "Data2": {
                      "type": "integer"
                  },
                  "Data3": {
                      "type": "integer"
                  },
                  "Data4": {
                      "type": "integer"
                  }
              },
              "required": [
                  "Data1",
                  "Data2",
                  "Data3",
                  "Data4"
              ]
          }
      },
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "Id": {
              "type": "string"
          },
          "MetRequirements": {
              "type": "array",
              "items": {
                  "$ref": "#/definitions/Requirement"
              }
          },
          "PreviousMetRequirements": {
              "type": "array",
              "items": {
                  "$ref": "#/definitions/Requirement"
              }
          }
      },
      "required": [
          "Id",
          "MetRequirements",
          "PreviousMetRequirements"
      ]
  }