[
  "r of set",
  {
    "required": 2,
    "set": [
      [
        "sig",
        {
          "pubkey": "AvxwIctbZjqYAtZKecwCBEP7Rs5PgWERAY68OF1/1ckF"
        }
      ],
      [
        "sig",
        {
          "pubkey": "ApLxQZUjsdJUm2gjuwsYV3zkYYIV/WtHUMHH21q6HX4w"
        }
      ]
    ]
  }
]