[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "AxuNTuDWhXBZymcbE4Z9Xdz7/QWOMpXaYJwnm2tQ6dna"
        }
      ],
      [
        "sig",
        {
          "pubkey": "Ahzg2m8X/7XRTTprimqEuc2sLfAUy04E2AFKl/sJg51T"
        }
      ]
    ]
  }
]