Transaction not yet indexed

Mmk8M7HvfNAxkB81WH1ebWdz4vsMhY2wxn53e73cuZPyfVZMBPk8rVmFx7kJMbkC6hGQ7cWrJEHNRd5pr31aqzr

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