{
  "put": {
    "AAAAAQ==": "AAAAaw=="
  },
  "append": {
    "AAAAAw==": {
      "values": [
        "AAAAbA==",
        "AAAAbQ==",
        "AAAAbg=="
      ],
      "max_signals": 3
    }
  },
  "put_if_not_present": {
    "AAAABA==": "AAAAbw=="
  },
  "remove": [
    "AAAABQ=="
  ],
  "update_encoder": {}
}