Transaction not yet indexed

MNU3fBYTEe4uJFtstoDd8i4oK4tqvgpRQ46JKf1YEoCgmVMc3LrtPgmkFnR3tFHrbFnbCCLe9Tq1arTn6zN7fPU

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