Transaction not yet indexed

ku8a8CnMhYpTwsrWG2tqaEJyRoCKh28Vx77Hds9YeonVjV5yxBJEBswRgykMHr2hyeSN7kwdHg2UTp3y9LJuApH

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