Transaction not yet indexed

21SLFU8S5VWvEHnkVjp3Z5CF1RBmXBqWnykoK4LBUKZLFAPCvGNP9fXmspStGxjx4puvTfvmC6h6tgoxCakYs5vP

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