Transaction not yet indexed

ZT21juCYZYycoS5UU7NwDRn95PVoccWG5bccP6udLSgMu6n3mD6fWEMGVwFuvcgrvhXUtCS4WPgtYpt6XG7xa1H

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