Transaction not yet indexed

21ppMTr4fpmCU1N2q2mQruSzUpUo1cVfhLsjuRpcxNQZsYvLPLvQvDXMLo2VLuNUKrS1tk5EFto36Ev6mkbuuENB

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