Transaction not yet indexed

52So8FaxjMe3iMENEKHt6ePebQpaxXBpjoFXfTxTXdKJgjEjfkVuUupPtCByRh8zK9Jkg2HA8BUPbt1F9dSN3XRT

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