Transaction not yet indexed

MKTuxoftzKnxPjbN9exdtAm2pf6V1e2CbWG9hpgVeDhbPvUYusT35dJFGtXqUSkbBBwgKCDXdGNBUEPkLqS735N

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