Transaction not yet indexed

1MKXKibdKrncTQ6pvWCdcdjYd3mjDibrt3fJjjqypC4AQ9R9Z2ZF3vBa9WiSqbtcw5e2EtdPnpqvSS7FowNdDEx

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