[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AtIVHW42mFlZ/Mg+JaBY3L2chUVD1MR75BMCWJ3iFSoR"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AxalxUgUVHw5r7CwpZRgroSCwD/QxWg1OlA94QgMl8fB"
        }
      ]
    ]
  }
]