Transaction not yet indexed

MpkeZQpwBitfPq5ZPUZC95vo8GZB5FmfPKftUh9vYj3WNTQ65eYRdo8ff38wmri7L4nZKG9CSeETh7EdFjDKdfD

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