Transaction not yet indexed

21LKGHvpbdkioQygtreiFDCy42E6xtq6CeHHSPGyv8ezt4Lu8jarcMA84eXAPJYwp7Zt9rEv3GR8sJfNEJpFAhE8

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