[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "A9NB52VwaiiIV3PL72fP63cMrxviyCW+flZhVTFi7iqC"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AjQRRFKhpxsX3uJNWF0ryP3HbFu3cruxLR+Ce7ct9YpP"
        }
      ]
    ]
  }
]