[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AgR4pfzGjUUBYWB0IpqFY5Qf+hSl0T7yEmJPJmx+h62A"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A0nSQ5Q2qxd/a0t0zzzxL660VhLXjPPla1L5BHbVo2iB"
        }
      ]
    ]
  }
]