Transaction not yet indexed

KAk1S2EzhuDFMpN3dfompj5dprQoaC1fGC3S4G2LUpAV7PLfnyFY3MALbza5RmqSHj9ZerjBpwH5nAe2pEbUMC9

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