{
  "chainId": 56,
  "sequence": 4221821,
  "payload": [
    {
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      "sequence": 5305674,
      "payload": {
        "packageType": 0,
        "crossChainFee": 200000,
        "content": {
          "symbol": "BNB",
          "contractAddress": "0x0000000000000000000000000000000000000000",
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}