Transaction not yet indexed

iUKkTmUt4isdNpXxsTrbMLuGacDuHtr4GZHi4Yw1Jyf4v8KPBcdyX7pzfEDRU8DjPx2qFySPqsPfLgdS4ivrgyA

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