MemoryError

# Description

# Traceback
```
Traceback (most recent call last):
File "electrumabc\util.py", line 683, in run_with_except_hook
File "electrumabc\network.py", line 1839, in run
File "electrumabc\network.py", line 1812, in wait_on_sockets
File "electrumabc\network.py", line 1012, in process_responses
File "electrumabc\network.py", line 956, in process_response
File "electrumabc\verifier.py", line 236, in verify_merkle
File "electrumabc\wallet.py", line 488, in save_verified_tx
File "electrumabc\util.py", line 272, in <lambda>
File "electrumabc\util.py", line 267, in do_profile
File "electrumabc\storage.py", line 103, in write
File "electrumabc\storage.py", line 112, in _write
File "electrumabc\json_db.py", line 75, in wrapper
File "electrumabc\json_db.py", line 110, in dump
File "json\__init__.py", line 234, in dumps
File "json\encoder.py", line 202, in encode
MemoryError

```

# System information

- Electrum ABC version: 5.2.11
- Python version: 3.9.13 (tags/v3.9.13:6de2ca5, May 17 2022, 16:24:45) [MSC v.1929 32 bit (Intel)]
- Operating system: Windows-10-10.0.22621-SP0
- Wallet type: imported_addr
- Locale: pt_BR