diff --git a/lib/push/send-hooks.react.js b/lib/push/send-hooks.react.js
--- a/lib/push/send-hooks.react.js
+++ b/lib/push/send-hooks.react.js
@@ -320,17 +320,17 @@
     );
   }
 
-  if (assignmentResult.success) {
+  if (assignmentResult.result === 'success') {
     return;
   }
 
-  if (assignmentResult.error) {
+  if (assignmentResult.result === 'error') {
     const { statusText } = assignmentResult;
     console.log(`Failed to assign all holders. Status text: ${statusText}`);
     return;
   }
 
-  for (const [blobHash, holder] of assignmentResult.failedAssignments) {
+  for (const [blobHash, holder] of assignmentResult.failedRequests) {
     console.log(`Assingnemt failed for holder: ${holder} and hash ${blobHash}`);
   }
 }
diff --git a/lib/utils/blob-service.js b/lib/utils/blob-service.js
--- a/lib/utils/blob-service.js
+++ b/lib/utils/blob-service.js
@@ -116,13 +116,14 @@
   holders: $ReadOnlyArray<{ +blobHash: string, +holder: string }>,
   headers: { [string]: string },
 ): Promise<
-  | { +success: true }
-  | { +error: true, status: number, statusText: string }
+  | { +result: 'success' }
+  | { +result: 'error', +status: number, +statusText: string }
   | {
-      +failedAssignments: $ReadOnlyArray<{
+      +failedRequests: $ReadOnlyArray<{
         +blobHash: string,
         +holder: string,
       }>,
+      +result: 'failed_requests',
     },
 > {
   const assignMultipleHoldersResponse = await fetch(
@@ -140,7 +141,7 @@
 
   if (!assignMultipleHoldersResponse.ok) {
     const { status, statusText } = assignMultipleHoldersResponse;
-    return { error: true, status, statusText };
+    return { result: 'error', status, statusText };
   }
 
   const { results } = await assignMultipleHoldersResponse.json();
@@ -149,10 +150,10 @@
     .map(({ blobHash, holder }) => ({ blobHash, holder }));
 
   if (failedRequests.length !== 0) {
-    return { failedAssignments: failedRequests };
+    return { result: 'failed_requests', failedRequests };
   }
 
-  return { success: true };
+  return { result: 'success' };
 }
 
 async function removeMultipleHolders(