Transaction not yet indexed

EX6yZnYDB77iMiKGW3etUYXnNQv7Kf9kZQr8EsWSqrX2fod7neLvsMcQFfDzRZqCyTmfu8dXo7Z2kk8raPoD2p2

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