{
  "alloc": $account_balances,

  "coinbase": "0x0000000000000000000000000000000000000000",
  "config": {
    "homesteadBlock": 0,
    "byzantiumBlock": 0,
    "constantinopleBlock": 0,
    "chainId": $chain_id,
    "eip150Block": 0,
    "eip155Block": 0,
    "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "eip158Block": 0,
    "isQuorum": true
  },
  "difficulty": "0x0",
  "extraData": $extra_data,
  "gasLimit": "0xE0000000",
  "mixhash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
  "nonce": "0x0",
  "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "timestamp": "0x00"
}

