Transaction not yet indexed

MUNcVbD88xGuiAdyWcb3bgfPyP7KCUZ9CzRTUqHMfBJid915aB7GSQy6uWeeRuYLTdU1FDeZwjeS99o12QJrvdF

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