Transaction not yet indexed

21Ap5XeFo896bFS7V37nwVTcPdzDmgbifcHqiwUrhoVL6Ar9FvP7sBnHkThDcT6dXCFGYKUdAK79RjvdwPsMbma8

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