Transaction not yet indexed

ngmDfmkEFPCpV5iBUWsA2XRvRzroE6n5mvULPNgWWRMp5VmzX2stwseRN9zuAyhtLKrLi7EQ6tuF8mSUJ4ZTDS4

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