[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AkFZ9jPSIdEWx24ZIIk7eW12DRaM/Pb2vHrXII1M0N2n"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AvBd9gnYEALvThpkIvz1JT8wnLnJEfviJlC99+R8Wh9g"
        }
      ]
    ]
  }
]