[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "A3Lvyd4XpPpNiHDFDumv6w8w3eT2OmjdOMITy5dXlwLg"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A5wWxOwV9Vmuu/Oatr4ulS8FDn1nFEtHgL9kKHX3sfQo"
        }
      ]
    ]
  }
]