[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "A6H6IlxpaOTo0cN0O9f4JoVV7ZETgNrcsJ097U1UFezN"
        }
      ],
      [
        "sig",
        {
          "pubkey": "Amdjb51qa+pT7RkeW5Cby0KHa87kcOkQA/XEMZV23UeZ"
        }
      ]
    ]
  }
]