Transaction not yet indexed

MHkAmmef6QbEUyurBYcfKHf7dMZHUocHJvwSSqMiSSJFhNVPcKbnP1TB5auCJJVZmeoSR1NCKJXYpJumgpbXtbq

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