Transaction not yet indexed

MB5jpwWTA2WPpLkpWdzc2eVT4jTo2qbD84f6YVEYqxhWuXUQJU8mty7vvLDmELPVZooriGdDfmpJYv9PfbFjLhP

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