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import { BN } from '@coral-xyz/anchor';
import { PublicKey } from '@solana/web3.js';
import { stringify, parse } from 'json-bigint';

import fs from 'fs';

const file = 'tests/accounts/token_account.json'; // Replace with the path to your JSON file

const account = fs.readFileSync(file, 'utf8');
const newU64 = new BN(90000000000); // Replace with the desired u64 value