Updates per code review

Thanks, @valerauko!

app/controllers/api/v1/accounts_controller.rb

@@ -17,7 +17,7 @@ class Api::V1::AccountsController < Api::BaseController
     
     FollowService.new.call(current_user.account, @account.acct, reblogs_arg)
 
-    options = @account.locked? ? {} : { following_map: reblogs_arg, requested_map: { @account.id => false } }
+    options = @account.locked? ? {} : { following_map: { @account.id => reblogs_arg }, requested_map: { @account.id => false } }
 
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships(options)
   end