[
  "r of set",
  {
    "required": 1,
    "set": [
      [
        "sig",
        {
          "pubkey": "An1wjYqAYUvFHqujqZHMDC5jnFYmFkArpbx8hANHc1uL"
        }
      ],
      [
        "sig",
        {
          "pubkey": "A3VA+tDO5kM0xFQLSMOkGhSeBaraxW6gPlHcNwS3eu5x"
        }
      ]
    ]
  }
]