[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AkTZGDumLuAPw+A/+qLwyUgyTR11yhhCO5+3Kkj/n6an"
        }
      ],
      [
        "sig",
        {
          "pubkey": "ApqXkF667+Kvpi2bQaTMiNE6LUWASOYm/GfINXopcZ/T"
        }
      ]
    ]
  }
]