config.json

{
  "mainnet": {
    "RelayHub": "0x9e59Ea5333cD4f402dAc320a04fafA023fe3810D",
    "Forwarder": "0xAa3E82b4c4093b4bA13Cb5714382C99ADBf750cA",
    "VersionRegistry": "0x97B6ebd38f2000B6E446DE24D9805606b882A1C5",
    "Router": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "Factory": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"
  },
  "rinkeby": {
    "RelayHub": "0x6650d69225CA31049DB7Bd210aE4671c0B1ca132",
    "Forwarder": "0x83A54884bE4657706785D7309cf46B58FE5f6e8a",
    "VersionRegistry": "0xedD8C4103acAd42F7478021143E29e1B05aD85C6",
    "Router": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "Factory": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"
  },
  "kovan": {
    "RelayHub": "0x727862794bdaa3b8Bc4E3705950D4e9397E3bAfd",
    "Forwarder": "0x7eEae829DF28F9Ce522274D5771A6Be91d00E5ED",
    "VersionRegistry": "0x7380D97dedf9B8EEe5bbE41422645aA19Cd4C8B3",
    "Router": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "Factory": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"
  },
  "polygon": {
    "RelayHub": " 0x6C28AfC105e65782D9Ea6F2cA68df84C9e7d750d",
    "Forwarder": "0xdA78a11FD57aF7be2eDD804840eA7f4c2A38801d",
    "VersionRegistry": "0x4Fe8824c885D67613848c94a15dce7680897f33E",
    "Router": "0xa5E0829CaCEd8fFDD4De3c43696c57F7D7A678ff",
    "Factory": "0x5757371414417b8C6CAad45bAeF941aBc7d3Ab32"
  }
}