I have an huge json file (around 7GB) with multiple elements, let's call it data.json. Each element looks like this: {'aggregation_bits': '0xf7fffffffffffdfffffffffffffdfffffffffffffffffffffff7fffffffffffffff7ff', 'data': {'slot': '6436981', 'index': '8', 'beacon_block_root': '0xf8afce2fc26df10061d641633a7256cf47ffa8793771ae83e190e72bf2c5886e', 'source': {'epoch': '201154', 'root': '0x694231a8135b3f546a6fe483ba6b467c686592f6d627aaf06b56ffbd78d75f63'}, 'target': {'epoch': '201155', 'root': '0x2fc0d9f58cda026678d98f010fec13d202eec4ec9ae4dbd57878413a75fe22d7'}}, 'signature':…