timedMetadataSchemeIdUri
Specify the event message box (eMSG) scheme ID URI for ID3 timed metadata in your output. For more information, see ISO/IEC 23009-1:2022 section 5.10.3.3.4 Semantics. Leave blank to use the default value: https://aomedia.org/emsg/ID3 When you specify a value for ID3 metadata scheme ID URI, you must also set ID3 metadata to Passthrough.