[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "Agu3rXHjKsFXnqCEBO/7wNAer4TQr9bXbIt4RrJICfSc"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AoRTRiQRdlD0p+2ThMeSLHB5eGEEuoUqwMMZ0TiLRgqA"
        }
      ]
    ]
  }
]