Transaction not yet indexed

MW6RDpPiSx5J5n3MTDAd7etNKfhY75UaKrQ67BPrkvRmSDHSdEnZxKajwS67naM6amKcGiUop7KuLTFpfUfzfxC

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