[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "A2mGNZEx2ra9bcza8UgsU66Efpkb790Mk83gZLo+i4mz"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A6+79fChKSZRoxifLUSW7tBKA89jHdXWCNWhdcndsmIu"
        }
      ]
    ]
  }
]