Transaction not yet indexed

iz8MdAMfuGSKEYFcKpe68qg7t3Hgp5mKfRxzipHTZ4Ji1dBfhpBK35oGm7AjMMAdbZhEffxyZ7VSFoF2yed9vZn

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