[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "A397rSG7LOrBcCHohL8MBt7Qwev0alP2S91vCV8xSDfX"
        }
      ],
      [
        "sig",
        {
          "pubkey": "AomaDxt5foDuvY00krbzSrK0Y77isTc6yeQlMGuuvZf+"
        }
      ]
    ]
  }
]