Transaction not yet indexed

iz8TEHAmeMZ5myMYmRmHHsniGCSPj6wtKiLbxZhvWLgKBFrwhsQLtK6HKnnJWejU3wxuUPuoRCHYPLwrhTf2K6Q

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