[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "AxVrPU0cs+bQThJQNSMvmZGpxnpEkU3Ks3ji2c/JQlhh"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A9jheUPVPae+HlqLjmo7jmA955nXuWpZWFMEpTcgOYay"
        }
      ]
    ]
  }
]