Transaction not yet indexed

21kxSCsPzAtuQcXLMwedSdVAxNDeGRTk7CKAtr5Zhvzv8YsuuRtPDhm7hPfZu5VtXDf6D2nSsbEY6jbL1mVaG2Xm

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