Transaction not yet indexed

MML3AG2tBDUGzG2gvNMJz4V7SLQUgWbGe44Smg812y2YQWwiVZmEr9sgTjhgiDHb1ZShsN9i729H65C3G8iMVrr

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