Transaction not yet indexed

MB2ejPdgu3XZFnPk4ZesK9vnJWZaKpJT41PxxiwHTrbFmZfmwFSomxPMYG4st5R1qQKuGhP7SsFM9HPqpxgCSdJ

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