Decodes a Weird64 value containing whole bytes into a Blob.
Blob
A Weird64 value produced by encodeBlob.
MIME type assigned to the returned blob.
The same 64-character alphabet used during encoding.
A promise resolving to the decoded blob.
RangeError if the decoded payload is not byte-aligned or if the character set or encoded value is invalid.
RangeError
Decodes a Weird64 value containing whole bytes into a
Blob.