Transaction not yet indexed

5UmSdJdXPRAwHc9MuPBBjpVGT76zJmEfgFm7z4mYeSTSHLFiBCZEFopxSwnN6ZGaARqMLEstWKq5Vnu2BNqP4Nm2

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