[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AxfzzancUin98CerBVUX1fuxHkFFiav50Yc2Pb9pThL3"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AxVHtoES1sKalVZQsDx7+PnJi4XAw6Ccq93AzqtcxoIa"
        }
      ]
    ]
  }
]