Transaction not yet indexed

EF8tEfLg2LcD7R5PM4YSCbW7a2T5CvGtEHv7rYG18TarcLBZrmHHJnuRGuLjLekJg78UWNAqpDFZLcm6KKNtts7

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