Transaction not yet indexed

u21W5YtBVjUkmRc1Q2xo7SA6y6BrwGy1eB7mbN5MZxuSXpyJf5UDueCeHQ4bF1BNF6vearRvH6EV68hvCF2Dk5W

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