Transaction not yet indexed

21xouHza5SXpSFMqDwEDz6VJbd2v8xktNBgh7p7xP5QXQHgdo44zm5cyS524FC8begxVHSQqGFqKAEAc16NCSX4m

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