Transaction not yet indexed

MLKkFvWrEFgoGNjdLqySKRgpBDzrJFXAXhsUm8Bf8k2xG2gG4h4brNixt2kcZhvDdDZ8Va71B9jt8uRBPchwpvX

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