Transaction not yet indexed

MSL6TpGmqLzb6Tzfti72tp3wEfVSnGYW4esBUe4uvsXyzAgKd6JGYDjUpbU2JszbGiRARAzuWXbbhsrx1MpqnQF

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