diff --git a/examples/next/src/components/actions/register.tsx b/examples/next/src/components/actions/register.tsx
index 3cd973ae..cd0158da 100644
--- a/examples/next/src/components/actions/register.tsx
+++ b/examples/next/src/components/actions/register.tsx
@@ -31,12 +31,11 @@ export const RegisterOperator = () => {
     await handleTx(
       await registerOperator({
         api: selectedWallet.api,
-        senderAddress: selectedWallet.accounts[0].address,
-        Operator: operatorAccounts[0],
         domainId,
         amountToStake,
         minimumNominatorStake,
         nominationTax,
+        publicKey: operatorAccounts[0].publicKey,
       }),
       setErrorForm,
     )
diff --git a/packages/auto-consensus/src/staking.ts b/packages/auto-consensus/src/staking.ts
index adad87d0..3bfd19b8 100644
--- a/packages/auto-consensus/src/staking.ts
+++ b/packages/auto-consensus/src/staking.ts
@@ -1,7 +1,7 @@
 // file: src/staking.ts
 
 import type { Api } from '@autonomys/auto-utils'
-import { createAccountIdType, signingKey } from '@autonomys/auto-utils'
+import { signingKey as signingKeyFn } from '@autonomys/auto-utils'
 import type {
   NominateOperatorParams,
   RegisterOperatorParams,
@@ -70,29 +70,19 @@ export const withdrawals = async (
 
 export const registerOperator = (params: RegisterOperatorParams) => {
   try {
-    const {
-      api,
-      senderAddress,
-      Operator,
-      domainId,
-      amountToStake,
-      minimumNominatorStake,
-      nominationTax,
-    } = params
-
-    const message = createAccountIdType(api, senderAddress)
-    const signature = Operator.sign(message)
-
-    return api.tx.domains.registerOperator(
-      parseString(domainId),
-      parseString(amountToStake),
-      {
-        signingKey: signingKey(Operator.publicKey),
-        minimumNominatorStake: parseString(minimumNominatorStake),
-        nominationTax: parseString(nominationTax),
-      },
-      signature,
-    )
+    const { api, domainId, amountToStake, minimumNominatorStake, nominationTax, publicKey } = params
+    let signingKey = params.signingKey
+
+    if (!signingKey && !publicKey) throw new Error('Signing key or public key not provided')
+    else if (!signingKey && publicKey) signingKey = signingKeyFn(publicKey)
+
+    if (!signingKey) throw new Error('Signing key not provided')
+
+    return api.tx.domains.registerOperator(parseString(domainId), parseString(amountToStake), {
+      signingKey,
+      minimumNominatorStake: parseString(minimumNominatorStake),
+      nominationTax: parseString(nominationTax),
+    })
   } catch (error) {
     console.error('error', error)
     throw new Error('Error creating register operator tx.' + error)
diff --git a/packages/auto-consensus/src/types/staking.ts b/packages/auto-consensus/src/types/staking.ts
index 27dd2cee..10545976 100644
--- a/packages/auto-consensus/src/types/staking.ts
+++ b/packages/auto-consensus/src/types/staking.ts
@@ -120,12 +120,12 @@ export type StringNumberOrBigInt = string | number | bigint
 
 export type RegisterOperatorParams = {
   api: ApiPromise
-  senderAddress: string
-  Operator: KeyringPair
   domainId: StringNumberOrBigInt
   amountToStake: StringNumberOrBigInt
   minimumNominatorStake: StringNumberOrBigInt
   nominationTax: StringNumberOrBigInt
+  signingKey?: string
+  publicKey?: Uint8Array
 }
 
 export type StakingParams = {