json_schema: {
      "properties": {
          "transforms": {
              "items": {
                  "properties": {
                      "from": {
                          "type": "string"
                      },
                      "to": {
                          "type": "string"
                      }
                  },
                  "type": "object"
              },
              "type": "array"
          }
      },
      "type": "object"
  }