Transaction not yet indexed

Me8xBf4HYPv38WPbDDhtc9xenaWEvdJpz2ZrtMNVryFsPbuqA7w2zs48vRPfDhBSi3ZPUN4Jo5im3YSrt5hpGne

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