Transaction not yet indexed

5REXRSzRcUNaqJ4EhDTPQBEbFqY3GuoxfvteqqAE1FMuwZNdsvSRCi41t1aP8vc8kEF7jDB9WJmu2cqYtoERHjED

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