json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema",
      "additionalProperties": false,
      "definitions": {
          "ca": {
              "description": "The consuming app",
              "type": "string"
          },
          "created": {
              "_format": "date-time",
              "description": "when the object was created",
              "type": "string"
          },
          "ct": {
              "description": "The consuming tenant",
              "type": "string"
          },
          "id": {
              "type": "integer"
          }
      },
      "properties": {
          "ca": {
              "$ref": "#/definitions/ca"
          },
          "created": {
              "$ref": "#/definitions/created"
          },
          "ct": {
              "$ref": "#/definitions/ct"
          },
          "id": {
              "$ref": "#/definitions/id"
          }
      },
      "required": [
          "id",
          "ct",
          "ca",
          "created"
      ],
      "type": "object"
  }