Transaction not yet indexed

5S21tejqqTRemniYaBa4V9ypEJfKW5kRxmPxdAv2NKAwYMHsBvKobW2Gyv2D9Y4wcrzL98aLPjAKvZXCAR3HnKb3

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