Transaction not yet indexed

5u6fAv4SdRFdNupfCy9MFZ8BQyyxCwqKsbtQMa6PXPXs8N9XgoQSnvsitPf1A5xsFb1ZQfbyuuajEvRdq1Fmsdf6

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