Transaction not yet indexed

ex52KBojJAd8kGiBdjLTHrY2fLiScXAgqHppwRN6jB6MxnnqRjCSZhGZTuTwHz56q9cEPYLpgnp6GNLYUnqUgc7

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