Transaction not yet indexed

4s21Eko5aeTSCFSij3851hg67KVuVesCBuqp8fp17qt5WhQpDPyy4Ti3RJaZXcVwwA9fuPiT5xk1pzsUMVVJSWxE

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