Transaction not yet indexed

Mao6uzKcMkSKWodvqJ28ZcmqSSSDiwEQPSvJX9KBJib33vkVZEnMVWgtRpFUoWh4PCPyt7ciZE5VojVufJH1Nm3

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