{ "ok": true, "result": { "@type": "blocks.masterchainInfo", "last": { "@type": "ton.blockIdExt", "workchain": 123, "shard": "<string>", "seqno": 123, "root_hash": "<string>", "file_hash": "<string>" }, "state_root_hash": "<string>", "init": { "@type": "ton.blockIdExt", "workchain": 123, "shard": "<string>", "seqno": 123, "root_hash": "<string>", "file_hash": "<string>" } } }