[
  {
    "id": "0001",
    "url": "http://127.0.0.1:8081/",
    "basic_auth": {
      "username": "",
      "password": ""
    }
  },
  {
    "id": "0021",
    "url": "http://fixturenet-eth-geth-1:8545/",
    "basic_auth": {
      "username": "",
      "password": ""
    }
  }
]