Transaction not yet indexed

5ub6hQu5ZE8TCevCccz98m4D6dn2BYvAYvr5h5AFZc5qH6G2yPQ2pPvQJ3cBaVBME6ytFXD9LG6CB6WAxbeMsw21

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