Transaction not yet indexed

mpUU3JFGRdKSe3k9mtmXkdaWyAQUUnhatTbS9UAGqZTfaqh1i32aKqHo2RoUPoLBGsEGmxVpg6i7X7NP4VJRBaH

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