Transaction not yet indexed

21FbbFkUwntYcvTusED8MYFrTymHivBE1kWUW7xUtXBXpyn3k1xZiogECPvrxiqY2qiNjQVwtLp4kPfEUdAxxwL2

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