Transaction not yet indexed

21FbMKhxPtkEmUKr7c5KF6jGMo7uLuoCtLpc7D4Pxzz5hNmt8gbsmpgmHRDTrt3rVgHNJQ8BnrN9ffyZKrNGSY2y

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