Transaction not yet indexed

MHEFbJSrzek3oCkZV9bcSiKyVoxNWtwj97JNGbycdSuwUC39EHHNBNUUJxj8Bpq4GoQbSbzrSTjRspYHgxMknMR

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