Transaction not yet indexed

668AwEwt4r4irPxpaq2y9hhdAXhcvUQgP4zGQ6CK4yUTRY1BQfFDnYLRprnKRmL2P4WcUpQq9kcbEMVyNbQuruQt

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