[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AiU6Bt21m4FSKxBU3bHkWhbdHZOuKNCAjM0A8cKa1Mtp"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AoKe+TJ2pxe/EaK28l/nLDeiAQy0EzAoABaT8Au1Lij7"
        }
      ]
    ]
  }
]