[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "AnruVXt1vlypRB4n0QWzMLoW5bJHxVpZcTVrlvw9NKkV"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A9VYf6SvW7BAWbFohgaOrsQ+gQIYKZxvrNRuGfqaB0tz"
        }
      ]
    ]
  }
]