Transaction not yet indexed

mffmpaYUYBbSC8hEHqYjhgB8r86v4kYVHUn7wo3odm5ZBeDiB4P1LNNLCknTwamFcCKtDeLsAkpPdCW4GDcy4yu

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