Transaction not yet indexed

MwXkdMnSx51aCpSsCfMjC3qb9A9eMZw9HrhQny8oTw3bS8eezyvhS9PyEufuSRj5K4wb1rzGkjzapmqQkQEDAeJ

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