diff --git a/apps/armory/src/orchestration/persistence/decode/authorization-request.decode.ts b/apps/armory/src/orchestration/persistence/decode/authorization-request.decode.ts
index 2db5c6160..664a4b18c 100644
--- a/apps/armory/src/orchestration/persistence/decode/authorization-request.decode.ts
+++ b/apps/armory/src/orchestration/persistence/decode/authorization-request.decode.ts
@@ -24,7 +24,7 @@ const buildSharedAttributes = (model: Model): Omit<AuthorizationRequest, 'action
   status: model.status,
   idempotencyKey: model.idempotencyKey,
   authentication: model.authnSig,
-  approvals: z.array(z.string()).parse(model.approvals),
+  approvals: z.array(z.string()).parse(model.approvals.map((approval) => approval.sig)),
   evaluations: (model.evaluationLog || []).map(buildEvaluation),
   createdAt: model.createdAt,
   updatedAt: model.updatedAt
diff --git a/apps/armory/src/orchestration/persistence/repository/__test__/integration/authorization-request.repository.spec.ts b/apps/armory/src/orchestration/persistence/repository/__test__/integration/authorization-request.repository.spec.ts
index fd1872544..179ae4d6b 100644
--- a/apps/armory/src/orchestration/persistence/repository/__test__/integration/authorization-request.repository.spec.ts
+++ b/apps/armory/src/orchestration/persistence/repository/__test__/integration/authorization-request.repository.spec.ts
@@ -1,5 +1,4 @@
-import { Action, Signature } from '@narval/policy-engine-shared'
-import { Alg } from '@narval/signature'
+import { Action } from '@narval/policy-engine-shared'
 import { ConfigModule } from '@nestjs/config'
 import { Test, TestingModule } from '@nestjs/testing'
 import { AuthorizationRequestStatus, Organization } from '@prisma/client/armory'
@@ -7,7 +6,7 @@ import { omit } from 'lodash/fp'
 import { load } from '../../../../../armory.config'
 import { PersistenceModule } from '../../../../../shared/module/persistence/persistence.module'
 import { TestPrismaService } from '../../../../../shared/module/persistence/service/test-prisma.service'
-import { Approval, AuthorizationRequest, Evaluation, SignTransaction } from '../../../../core/type/domain.type'
+import { AuthorizationRequest, Evaluation, SignTransaction } from '../../../../core/type/domain.type'
 import { AuthorizationRequestRepository } from '../../../repository/authorization-request.repository'
 
 describe(AuthorizationRequestRepository.name, () => {
@@ -22,11 +21,8 @@ describe(AuthorizationRequestRepository.name, () => {
     updatedAt: new Date()
   }
 
-  const authentication: Signature = {
-    alg: Alg.ES256K,
-    pubKey: '0xd75D626a116D4a1959fE3bB938B2e7c116A05890',
-    sig: '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
-  }
+  const authentication =
+    '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
 
   const signMessageRequest: AuthorizationRequest = {
     authentication,
@@ -80,11 +76,7 @@ describe(AuthorizationRequestRepository.name, () => {
       })
 
       expect(request).toMatchObject(omit(['evaluations', 'approvals', 'authentication'], signMessageRequest))
-      expect({
-        sig: request?.authnSig,
-        alg: request?.authnAlg,
-        pubKey: request?.authnPubKey
-      }).toEqual(authentication)
+      expect(request?.authnSig).toEqual(authentication)
     })
 
     it('defaults status to CREATED', async () => {
@@ -128,13 +120,7 @@ describe(AuthorizationRequestRepository.name, () => {
     })
 
     it('creates approvals', async () => {
-      const approval: Approval = {
-        id: 'c534332f-6dd9-4cc8-b727-e1ad21176238',
-        alg: Alg.ES256K,
-        sig: 'test-signature',
-        pubKey: 'test-public-key',
-        createdAt: new Date()
-      }
+      const approval = 'test-signature'
 
       await repository.create({
         ...signMessageRequest,
@@ -147,9 +133,9 @@ describe(AuthorizationRequestRepository.name, () => {
         }
       })
 
-      expect(approvals).toEqual([
+      expect(approvals.map(omit(['id', 'createdAt']))).toEqual([
         {
-          ...approval,
+          sig: approval,
           requestId: signMessageRequest.id
         }
       ])
@@ -239,28 +225,12 @@ describe(AuthorizationRequestRepository.name, () => {
     it('appends approvals', async () => {
       const authzRequestOne = await repository.update({
         ...signMessageRequest,
-        approvals: [
-          {
-            id: 'c534332f-6dd9-4cc8-b727-e1ad21176238',
-            alg: Alg.ES256K,
-            sig: 'test-signature',
-            pubKey: 'test-public-key',
-            createdAt: new Date()
-          }
-        ]
+        approvals: ['test-signature']
       })
 
       const authzRequestTwo = await repository.update({
         ...signMessageRequest,
-        approvals: [
-          {
-            id: '790e30b0-35d1-4e22-8be5-71e64afbee89',
-            alg: Alg.ES256K,
-            sig: 'test-signature',
-            pubKey: 'test-public-key',
-            createdAt: new Date()
-          }
-        ]
+        approvals: ['test-signature']
       })
 
       const actual = await repository.findById(signMessageRequest.id)
diff --git a/apps/armory/src/orchestration/persistence/repository/authorization-request.repository.ts b/apps/armory/src/orchestration/persistence/repository/authorization-request.repository.ts
index ac46f80ea..45cca8be1 100644
--- a/apps/armory/src/orchestration/persistence/repository/authorization-request.repository.ts
+++ b/apps/armory/src/orchestration/persistence/repository/authorization-request.repository.ts
@@ -36,11 +36,13 @@ export class AuthorizationRequestRepository {
         updatedAt,
         action: request.action,
         authnSig: authentication,
-        approvals: {
-          createMany: {
-            data: approvalsData
-          }
-        },
+        approvals: approvals
+          ? {
+              createMany: {
+                data: approvalsData
+              }
+            }
+          : undefined,
         evaluationLog: {
           createMany: {
             data: evaluationLogs
diff --git a/apps/armory/src/orchestration/queue/consumer/__test__/integration/authorization-request-processing.consumer.spec.ts b/apps/armory/src/orchestration/queue/consumer/__test__/integration/authorization-request-processing.consumer.spec.ts
index 1a8c22e91..304838839 100644
--- a/apps/armory/src/orchestration/queue/consumer/__test__/integration/authorization-request-processing.consumer.spec.ts
+++ b/apps/armory/src/orchestration/queue/consumer/__test__/integration/authorization-request-processing.consumer.spec.ts
@@ -1,5 +1,4 @@
-import { Action, Signature } from '@narval/policy-engine-shared'
-import { Alg } from '@narval/signature'
+import { Action } from '@narval/policy-engine-shared'
 import { HttpModule } from '@nestjs/axios'
 import { BullModule, getQueueToken } from '@nestjs/bull'
 import { ConfigModule } from '@nestjs/config'
@@ -50,11 +49,8 @@ describe(AuthorizationRequestProcessingConsumer.name, () => {
     updatedAt: new Date()
   }
 
-  const authentication: Signature = {
-    alg: Alg.ES256K,
-    pubKey: '0xd75D626a116D4a1959fE3bB938B2e7c116A05890',
-    sig: '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
-  }
+  const authentication =
+    '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
 
   const authzRequest: AuthorizationRequest = {
     authentication,
diff --git a/apps/armory/src/orchestration/queue/producer/__test__/integration/authorization-request-processing.producer.spec.ts b/apps/armory/src/orchestration/queue/producer/__test__/integration/authorization-request-processing.producer.spec.ts
index 8bb67c5fb..be1387d85 100644
--- a/apps/armory/src/orchestration/queue/producer/__test__/integration/authorization-request-processing.producer.spec.ts
+++ b/apps/armory/src/orchestration/queue/producer/__test__/integration/authorization-request-processing.producer.spec.ts
@@ -1,5 +1,4 @@
-import { Action, Signature } from '@narval/policy-engine-shared'
-import { Alg } from '@narval/signature'
+import { Action } from '@narval/policy-engine-shared'
 import { BullModule, getQueueToken } from '@nestjs/bull'
 import { ConfigModule } from '@nestjs/config'
 import { Test, TestingModule } from '@nestjs/testing'
@@ -26,11 +25,8 @@ describe(AuthorizationRequestProcessingProducer.name, () => {
   let producer: AuthorizationRequestProcessingProducer
   let testPrismaService: TestPrismaService
 
-  const authentication: Signature = {
-    alg: Alg.ES256K,
-    pubKey: '0xd75D626a116D4a1959fE3bB938B2e7c116A05890',
-    sig: '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
-  }
+  const authentication =
+    '0xe24d097cea880a40f8be2cf42f497b9fbda5f9e4a31b596827e051d78dce75c032fa7e5ee3046f7c6f116e5b98cb8d268fa9b9d222ff44719e2ec2a0d9159d0d1c'
 
   const authzRequest: AuthorizationRequest = {
     authentication,