Transaction not yet indexed

52Un4FXWByRmgCAGff79e2AchMP88qULNQHrUvwh7SJKpy4NpXnSPcLGFFk8Js7F2ABXRtXw8MsVACgYTEgLrHnY

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