Transaction not yet indexed

mt4x9ca4SftZYhTj7Bh8b7i4UYMzvKSnNJeofvntv5vdoeBPvnTbQnV1AjLnyvSvaaWBLPC56LV5VtP2ih5bC66

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