json_schema: {
      "properties": {
          "acknowledged": {
              "type": "boolean"
          },
          "acknowledged_at": {
              "format": "date-time",
              "type": "string"
          },
          "acknowledged_by": {
              "type": "string"
          },
          "created_at": {
              "format": "date-time",
              "type": "string"
          },
          "data": {
              "description": "No formal validation or schema for this JSON field. Contains the keys and values that have changed.",
              "type": "object"
          },
          "id": {
              "type": "integer"
          },
          "object_id": {
              "type": "string"
          },
          "object_type": {
              "type": "string"
          },
          "type": {
              "type": "string"
          },
          "user": {
              "type": "string"
          }
      },
      "required": [
          "id",
          "type",
          "acknowledged"
      ],
      "title": "AuditEvent",
      "type": "object"
  }