Transaction not yet indexed

MymwUX9rtipgxwbUDUnM3AyHdXKCgktZtwAxkp7p3j5YVdKQXfMKPjCpVTsPW6F18j8vnrhr4itUwASSwT3TNCh

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