Crash

```
Thread: pool-12-thread-1, Exception: java.lang.OutOfMemoryError: Failed to allocate a 1800384 byte allocation with 792 free bytes and 792B until OOM, target footprint 268435456, growth limit 268435456
at java.util.Arrays.copyOf(Arrays.java:3257)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
at java.lang.StringBuilder.append(StringBuilder.java:137)
at java.lang.StringBuilder.append(StringBuilder.java:132)
at org.matrix.android.sdk.internal.session.sync.-$$Lambda$SyncResponseHandler$VuLjbE4OLw_j4nlFwnEeA1x2g3s.execute(lambda:287)
at io.realm.Realm.executeTransaction(Realm.java:8)
at com.zhuinden.monarchy.Monarchy$1.doWithRealm(Monarchy.java:1)
at com.zhuinden.monarchy.Monarchy.doWithRealm(Monarchy.java:3)
at com.zhuinden.monarchy.Monarchy.runTransactionSync(Monarchy.java:1)
at com.zhuinden.monarchy.Monarchy$8.run(Monarchy.java:1)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:919)
```