Transaction not yet indexed

5S21Ur1PkjEEEeStBdSW9xiVVcK59Vsn3KDqSNTcJak31R9iD2hjxUeb5Utt1zFmfCCttkCj31xD18vu4Dg5Caj5

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