curl --request GET \
  --url https://api.hubapi.com/contentsearch/v2/search/{documentId}

[
  {
    "score": 1,
    "id": "3761238962",
    "type": "blogpost",
    "nestedIdentity": null,
    "version": -1,
    "source": null,
    "fields": {
      "_routing": {
        "name": "_routing",
        "values": [
          "62515"
        ],
        "metadataField": true,
        "value": "62515"
      },
      "description": {
        "name": "description",
        "values": [
          " "
        ],
        "metadataField": false,
        "value": " "
      },
      "author_full_name": {
        "name": "author_full_name",
        "values": [
          "test qa"
        ],
        "metadataField": false,
        "value": "test qa"
      },
      "language": {
        "name": "language",
        "values": [
          "id"
        ],
        "metadataField": false,
        "value": "id"
      },
      "title": {
        "name": "title",
        "values": [
          "{hubspot topic rule} アイカツ!"
        ],
        "metadataField": false,
        "value": "{hubspot topic rule} アイカツ!"
      },
      "url": {
        "name": "url",
        "values": [
          "http://demo-hubapi.hs-sites.com/blog/hubspot-topic-rule-aikatsu-125201"
        ],
        "metadataField": false,
        "value": "http://demo-hubapi.hs-sites.com/blog/hubspot-topic-rule-aikatsu-125201"
      },
      "portalId": {
        "name": "portalId",
        "values": [
          62515
        ],
        "metadataField": false,
        "value": 62515
      },
      "id": {
        "name": "id",
        "values": [
          3761238962
        ],
        "metadataField": false,
        "value": 3761238962
      }
    },
    "highlightFields": {},
    "sortValues": [],
    "matchedQueries": [],
    "explanation": null,
    "shard": {
      "nodeId": "jmP04PTuRKmwkNk_JuYDrw",
      "index": "content-blogposts-3",
      "shardId": 15
    },
    "innerHits": null,
    "sourceRef": null,
    "index": "content-blogposts-3",
    "sourceEmpty": true,
    "sourceAsString": null
  }
]