Transaction not yet indexed

iz8kR9Kon8xtPvERb1GqLoSpggdU9DT5NqPLkeC9Fj3yPr1Usa4ZuYYXE4cPyKW6DvznWvYGUXCUL2UJps2bv45

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