Transaction not yet indexed

51c9QmmzdJvfFL7RqusyLPR3wuE6se9f4Z8TEaaUSe2jWDkv3YBgnexp3fVVLSmrzoArJSvWMbmX1ZA8bYWF8PEY

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