let
Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMtQ30jcyMDJVitUBcUyQOWbIHENjBM8IWZ2xvqEpgmeibwjTFgsA", BinaryEncoding.Base64), Compression.Deflate)), {"Date"}),
ChangeTypes = Table.TransformColumnTypes(Source,{{"Date", type date}})
in
ChangeTypes