{
  "properties": {
    "_timestamp": {
      "type": "date",
      "index": true
    },
    "instance": {
      "type": "keyword"
    },
    "content": {
      "type": "text"
    },
    "hashtags": {
      "type": "keyword"
    },
    "user": {
      "type": "text"
    }
  }
}

