Transaction not yet indexed

21UBmHxEwebDmypCrsZSSFAec6f6yVsugupNExUAGnWkSBA176AS9FCrpc5eK2dWFqzY9wJo1HcZ1Zyy4s6R6Mpj

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