Transaction not yet indexed

MKUmUCg589mvb7JsDF8fsAjJoRyT2idL55aRv2yfLhoHUg19FCcx5VFoA1qGZWfrt4t1gb3uNFZVDWvuMGx2Gz7

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