{
  "chainId": 41337,
  "homesteadBlock": 0,
  "eip150Block": 0,
  "eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "eip155Block": 0,
  "eip158Block": 0,
  "byzantiumBlock": 0,
  "constantinopleBlock": 0,
  "petersburgBlock": 0,
  "istanbulBlock": 0,
  "clique": {
    "period": 5,
    "epoch": 30000
  }
}