"element_id": "859d09c4-7cf1-4a37-9674-3a7de8b56abc",
      "attributes": {
        "__attr__image_dpi": 300,
        "__attr__image_size": [
          2550,
          3299
        ],
        "__attr__image_index": 1,
        "__attr__image_format": "JPEG",
        "__attr__file_extension": "jpg",
        "__attr__data": null
      }
    },
    {
      "element_type": "__elem__merfu",

		apiErr = ErrEventNotification
	case *event.ErrInvalidARN:
		apiErr = ErrARNNotification
	case *event.ErrARNNotFound:
		apiErr = ErrARNNotification
	case *levent.ErrInvalidARN:
		apiErr = ErrLambdaARNInvalid
	case *levent.ErrARNNotFound:
		apiErr = ErrLambdaARNNotFound
	case *event.ErrUnknownRegion:
		apiErr = ErrRegionNotification
	case *event.ErrInvalidFilterName:
		apiErr = ErrFilterNameInvalid

//
// ``delete``: This is the delete-marker
//
// ``legacyObject``: This is the legacy object in xlV1 format, preserved until its overwritten
//
// The most recently updated element in the array is considered the latest version.

// In addition to these we have a special kind called free-version. This is represented
// using a delete-marker and MetaSys entries. It's used to track tiered content of a