Transaction not yet indexed

mpxJN2KFjb8Csssin9vcyxF5Cts5s1ztSuZHmw7YqbBNakj2steViP1mLi1VspAFP6WNuUAf8dDTnkqDxm1n2jN

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