Transaction not yet indexed

21VknFQgx2Sa869Sbp36ABRhcNzgAV6DNT5Yp9kM8X2jvtQbJCmE2Wjob9wa3uqcdeFdwSCW2pRkfM9UWXkRPWPd

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