Transaction not yet indexed

MenPkQuB7w5Pv3FVuKp2i3hp66zdt3DFn5MPLmYfzKqFt9jVVdUXvt3T4J8Gv9Db9RYdN2Jz3jWcwMBCgZAMgf8

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