Transaction not yet indexed

519ejecMSTbBG5R6D2RNnwmRvcr69FhcsbNAfYYYyn1BbTr2AdRfDMhmTnxBMLXZxWeVLvcaECUPKz35Fcq8jznQ

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