curl --request GET \
  --url https://app.myhero.so/block/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "_id": "<string>",
    "properties": {
      "attributes": {},
      "content": [
        {
          "id": "<string>",
          "type": "<string>",
          "text": "<string>",
          "marks": [
            {
              "type": "<string>",
              "attributes": {}
            }
          ]
        }
      ],
      "marks": [
        {
          "type": "<string>",
          "attributes": {}
        }
      ]
    },
    "nodeId": "<string>",
    "userId": "<string>",
    "projectId": "<string>",
    "workspaceId": "<string>",
    "createdAt": 123,
    "updatedAt": 123,
    "originId": "<string>",
    "parentId": "<string>",
    "isDeleted": false
  }
}