diff --git a/backend/src/graphql/resolver/ContributionResolver.test.ts b/backend/src/graphql/resolver/ContributionResolver.test.ts
index 8f2ae3981..540285c53 100644
--- a/backend/src/graphql/resolver/ContributionResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.test.ts
@@ -287,9 +287,10 @@ describe('ContributionResolver', () => {
           await expect(DbEvent.find()).resolves.toContainEqual(
             expect.objectContaining({
               type: EventProtocolType.CONTRIBUTION_CREATE,
+              affectedUserId: bibi.id,
+              actingUserId: bibi.id,
+              involvedContributionId: pendingContribution.data.createContribution.id,
               amount: expect.decimalEqual(100),
-              contributionId: pendingContribution.data.createContribution.id,
-              userId: bibi.id,
             }),
           )
         })
@@ -592,9 +593,10 @@ describe('ContributionResolver', () => {
           await expect(DbEvent.find()).resolves.toContainEqual(
             expect.objectContaining({
               type: EventProtocolType.CONTRIBUTION_UPDATE,
+              affectedUserId: bibi.id,
+              actingUserId: bibi.id,
+              involvedContributionId: pendingContribution.data.createContribution.id,
               amount: expect.decimalEqual(10),
-              contributionId: pendingContribution.data.createContribution.id,
-              userId: bibi.id,
             }),
           )
         })
@@ -822,9 +824,9 @@ describe('ContributionResolver', () => {
           await expect(DbEvent.find()).resolves.toContainEqual(
             expect.objectContaining({
               type: EventProtocolType.ADMIN_CONTRIBUTION_DENY,
-              userId: bibi.id,
-              xUserId: admin.id,
-              contributionId: contributionToDeny.data.createContribution.id,
+              affectedUserId: bibi.id,
+              actingUserId: admin.id,
+              involvedContributionId: contributionToDeny.data.createContribution.id,
               amount: expect.decimalEqual(100),
             }),
           )
@@ -937,9 +939,10 @@ describe('ContributionResolver', () => {
           await expect(DbEvent.find()).resolves.toContainEqual(
             expect.objectContaining({
               type: EventProtocolType.CONTRIBUTION_DELETE,
-              contributionId: contributionToDelete.data.createContribution.id,
+              affectedUserId: bibi.id,
+              actingUserId: bibi.id,
+              involvedContributionId: contributionToDelete.data.createContribution.id,
               amount: expect.decimalEqual(100),
-              userId: bibi.id,
             }),
           )
         })
@@ -2085,7 +2088,8 @@ describe('ContributionResolver', () => {
                 await expect(DbEvent.find()).resolves.toContainEqual(
                   expect.objectContaining({
                     type: EventProtocolType.ADMIN_CONTRIBUTION_CREATE,
-                    userId: admin.id,
+                    affectedUserId: bibi.id,
+                    actingUserId: admin.id,
                     amount: expect.decimalEqual(200),
                   }),
                 )
@@ -2329,7 +2333,7 @@ describe('ContributionResolver', () => {
                 mutate({
                   mutation: adminUpdateContribution,
                   variables: {
-                    id: creation ? creation.id : -1,
+                    id: creation?.id,
                     email: 'peter@lustig.de',
                     amount: new Decimal(300),
                     memo: 'Danke Peter!',
@@ -2356,7 +2360,8 @@ describe('ContributionResolver', () => {
               await expect(DbEvent.find()).resolves.toContainEqual(
                 expect.objectContaining({
                   type: EventProtocolType.ADMIN_CONTRIBUTION_UPDATE,
-                  userId: admin.id,
+                  affectedUserId: creation?.userId,
+                  actingUserId: admin.id,
                   amount: 300,
                 }),
               )
@@ -2370,7 +2375,7 @@ describe('ContributionResolver', () => {
                 mutate({
                   mutation: adminUpdateContribution,
                   variables: {
-                    id: creation ? creation.id : -1,
+                    id: creation?.id,
                     email: 'peter@lustig.de',
                     amount: new Decimal(200),
                     memo: 'Das war leider zu Viel!',
@@ -2397,7 +2402,8 @@ describe('ContributionResolver', () => {
               await expect(DbEvent.find()).resolves.toContainEqual(
                 expect.objectContaining({
                   type: EventProtocolType.ADMIN_CONTRIBUTION_UPDATE,
-                  userId: admin.id,
+                  affectedUserId: creation?.userId,
+                  actingUserId: admin.id,
                   amount: expect.decimalEqual(200),
                 }),
               )
@@ -2562,7 +2568,7 @@ describe('ContributionResolver', () => {
                 mutate({
                   mutation: adminDeleteContribution,
                   variables: {
-                    id: creation ? creation.id : -1,
+                    id: creation?.id,
                   },
                 }),
               ).resolves.toEqual(
@@ -2576,7 +2582,9 @@ describe('ContributionResolver', () => {
               await expect(DbEvent.find()).resolves.toContainEqual(
                 expect.objectContaining({
                   type: EventProtocolType.ADMIN_CONTRIBUTION_DELETE,
-                  userId: admin.id,
+                  affectedUserId: creation?.userId,
+                  actingUserId: admin.id,
+                  involvedContributionId: creation?.id,
                   amount: expect.decimalEqual(200),
                 }),
               )