Transaction not yet indexed

MkvNUWhhniwM6LcL1cNV1DEv4ks6PMZ2qrpoBUuT6ZHdou3k12Dw46TP6oVBfNQF5DqBh7TTWMKKNBhTXqAi7yF

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