Decoding error reading 3D Asset mappings

[hakontro]

val client = new GenericClient[IO, Nothing]("cdp-spark-datasource")
client.threeDAssetMappings(modelId.toLong, revisionId.toLong).read().unsafeRunSync()

Attempting to read 3D Asset mappings of an existing modelId + revisionId throws a decoding error:

Attempt to decode value on failed cursor: DownField(treeIndex),DownArray,DownField(items)
DecodingFailure(Attempt to decode value on failed cursor, List(DownField(treeIndex), DownArray, DownField(items)))