Transaction not yet indexed

21Zan4DRruYdZHAMDEdWB2VE6BEqGYNpuUfUUnMy8QUsSQVduZxQpa2QdfPFyEbdgeNaYNauUXxwVMicTbeK5Xny

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