Transaction not yet indexed

MMYFxbzYz2m6cHBpPQGguBxe4H7fD1cmKmwBq5cWgWDwaGfsqUFbneZt5qVFUoqbWQ1XJhG8JhH3k8uE7VJDda8

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