Transaction not yet indexed

WCx6PC6gFpGiH46ME7e44kUNJXBtYP5H2vjV9mXWUBAqf5Yato6R2AP1K8oBqSNXXwiUkgM1LAGMsee6xTcV4Vs

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