Transaction not yet indexed

MQ3LXuNLKxtjFVW8smtc7KWVYJKmT7QftTdBgofxefspEqmXLr1vbQuucUe5vnZ2EjL6Pg1rsMemQ6i3gm7ERv2

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