Transaction not yet indexed

21f6uttxpqL3t853Ww55TGdKRc7MyZeCK9i372ybxJ3BBc53HGHDAAo2PvKPTeT7Ap29j9pbHEZ2mwGMevcN8DBA

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