[
  {
    "namespace": "messengerSettings",
    "properties": {
      "messageLineLengthLimit": {
        "annotations": [
          {
            "additional_properties": {
              "readOnly": true
            }
          }
        ]
      },
      "messagePlainTextFlowedOutputEnabled": {
        "annotations": [
          {
            "additional_properties": {
              "readOnly": true
            }
          }
        ]
      },
      "readerDisplayAttachmentsInline": {
        "annotations": [
          {
            "additional_properties": {
              "readOnly": true
            }
          }
        ]
      }
    }
  }
]