Transaction not yet indexed

21Ujo56aJmvcaSi2EjAQm6P3VmujqSLkMtpP9bPJQSvJsWexc3E1Femu4yFfuzig4abd9BqhhKZovsbNiUtbynMt

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