Transaction not yet indexed

RLkfn9kJdL7uLYXjfnq2ZebSRtmG3jLxWSb4nikDBqBEou5u1dbBkbNR8eU1knfQsGWbzykyWU7FQZkYbSE2MMK

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