Transaction not yet indexed

642UXTXFKBwgxeQxgDZztY2XPhSYc3vN6SpX6rMrd7CGtTLSK69bFteuWxMraZbZxZW8U9kZJKkTttZXEvyfvacE

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.