Transaction not yet indexed

1khmJAg4jg5vCdz3pc6FAkgb2dctkARFZXbb7JbqYcFedyBhUM7gksK8VfGQGbDEZfdx216TU8PZ3pWJtocUB4

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