Transaction not yet indexed

RUUz31Ms1mM6dWbRUho3YEXKcWhDhPGJrbPhwK7hG8q8eWwmpbccMMPkhvk2CzmihUhfb3iY8Po2s5PjARnNfV2

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