Transaction not yet indexed

MtLNg9QSCAxZvD7qRrtLxW8WToBFtpscAjSoZhGbvs45NAPK23T6h23bqE3UbJsK8hjybN1Hb7Qb2kCBziTFQzk

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