Transaction not yet indexed

52u6cwvhPmaznWPcEBe774WpHupKDnLnc5Vxd2UN2nXgxoFZsWTFP3AWWbyyoooqWJYyJ5gMoEbgF1gFccBzKBk2

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