Transaction not yet indexed

MDnbCmsm42hhZ5dQst2LHqAA8MBcKQqnvvSPLoGuAPUu2MPZQYvVwS4xrVH8oj3SYL7TLk535bcmFryHGJRMAff

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