diff --git a/frostfsid/client/client.go b/frostfsid/client/client.go
index e5a3841..954dd8e 100644
--- a/frostfsid/client/client.go
+++ b/frostfsid/client/client.go
@@ -6,9 +6,11 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-contract/commonclient"
 	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/notary"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
@@ -24,7 +26,7 @@ type (
 	}
 
 	Options struct {
-		// todo add proxy params
+		ProxyContract util.Uint160
 	}
 )
 
@@ -122,9 +124,28 @@ const (
 	deleteGroupMethod            = "deleteGroup"
 )
 
-// New creates a new Client. Options can be nil.
-func New(ra actor.RPCActor, acc *wallet.Account, contract util.Uint160, _ *Options) (*Client, error) {
-	act, err := actor.NewSimple(ra, acc)
+// New creates a new Client. Options can be empty.
+func New(ra actor.RPCActor, acc *wallet.Account, contract util.Uint160, opt Options) (*Client, error) {
+	signers := []actor.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: acc.Contract.ScriptHash(),
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: acc,
+	}}
+
+	if !opt.ProxyContract.Equals(util.Uint160{}) {
+		signers = append([]actor.SignerAccount{{
+			Signer: transaction.Signer{
+				Account:          opt.ProxyContract,
+				Scopes:           transaction.CustomContracts,
+				AllowedContracts: []util.Uint160{contract},
+			},
+			Account: notary.FakeContractAccount(opt.ProxyContract),
+		}}, signers...)
+	}
+
+	act, err := actor.New(ra, signers)
 	if err != nil {
 		return nil, fmt.Errorf("init actor: %w", err)
 	}
diff --git a/tests/frostfsid_client_test.go b/tests/frostfsid_client_test.go
index 1f8f5aa..0ca0572 100644
--- a/tests/frostfsid_client_test.go
+++ b/tests/frostfsid_client_test.go
@@ -63,7 +63,7 @@ func frostfsidRPCClient(t *testing.T, address string, contractHash util.Uint160,
 		acc = accs[0]
 	}
 
-	cli, err := client.New(rpcCli, acc, contractHash, nil)
+	cli, err := client.New(rpcCli, acc, contractHash, client.Options{})
 	require.NoError(t, err)
 
 	return cli, rpcCli