Transaction not yet indexed

Mu2xDK8b4ZJRzmwmQdszSJ9YbQB9ZiL1ksRtyckh87B5jE8sAMNfHgCQq1FGMdNyPgw7ZbH5RAWob4s8Zn4bF9U

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