[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "A3f5Gsp1T9RnifXpi2nH6Nn92hEtfgp18bIhY9AnNOKO"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AppZY4HXCktiFsBcCo8CIsS9uzYZb/8VhJimvgDJ1CAC"
        }
      ]
    ]
  }
]