json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "array",
      "items": {
          "title": "Data Table Row Insert Update",
          "description": "Schema for inserting or updating a data table row",
          "type": "object",
          "patternProperties": {
              "^[0-9a-zA-Z_-]{1,255}$": {
                  "type": [
                      "string",
                      "number",
                      "boolean",
                      "null"
                  ]
              }
          },
          "additionalProperties": false
      }
  }