[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "A8zrDyLxIFvTUssN1fXk3jRbz5NJn4lczX+EAG5ykcUH"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A+EelV9LMqh3GmGbjxrdydpkqQzrzXKaBK8aVJhLxHZg"
        }
      ]
    ]
  }
]