Transaction not yet indexed

ykAyKPTZftoAGFYHhf32U9RCRd9rtKhk18VqWAU498EE4G8Mu4XWFrRWK8FZmp82MH4XbQ2WWegscFx6pJkgTfP

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