curl --request GET \
  --url https://api.messari.io/signal/v0/x-users/{xUserID}/time-series/engagement \
  --header 'X-Messari-API-Key: <api-key>'

{
  "data": {
    "points": [
      [
        "<any>"
      ]
    ]
  },
  "error": "<string>",
  "metadata": {
    "granularity": "1m",
    "pointSchemas": [
      {
        "description": "<string>",
        "isTimestamp": true,
        "name": "<string>",
        "slug": "<string>"
      }
    ]
  }
}