Transaction not yet indexed

MDG2YrnySKUS2mcCYJH693Ypw8jFaw9c1daNvppKtVBVkU2mk9oi3o1LkPRQCYy1j3dcmpNmhGNqPjGxst1wABo

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