Transaction not yet indexed

WUam7vQdi2UdvhPp2JLSiJu5KfSNipaKiqpxFyc8ywFuzrfBeEc4Dk99SmL28evKQ6Apps9ZXvmXY3eRqVAeajB

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