listen: 4222

accounts {
  APP {
    users [
      {
        user: "api_service", 
        password: "api_password",
        permissions: {
          publish: ["files.upload", "vault.get"],
          subscribe: ["vault.response"]
        }
      },
      {
        user: "storage_service", 
        password: "storage_password",
        permissions: {
          subscribe: ["files.upload"],
          publish: []
        }
      },
      {
        user: "vault_service", 
        password: "vault_password",
        permissions: {
          subscribe: ["vault.get"],
          publish: ["vault.response"]
        }
      }
    ]
  }
}