Transaction not yet indexed

a21THHHSbdLWyy96gTn4mFzWqcjVrcAEKTMc3yMegUJsGfDn3Dyd9NoifGDynxoaYmm6Bu1qDwCamnVG6ZZ1eK4

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