Activities

{
  "kind": "youtube#activity",
  "etag": etag,
  "id": string,
  "snippet": {
    "publishedAt": datetime,
    "channelId": string,
    "title": string,
    "description": string,
    "thumbnails": {
      (key): {
        "url": string,
        "width": unsigned integer,
        "height": unsigned integer
      }
    },
    "channelTitle": string,
    "type": string,
    "groupId": string
  },
  "contentDetails": {
    "upload": {
      "videoId": string
    },
    "comment": {
      "resourceId": {
        "kind": string,
        "videoId": string,
        "channelId": string,
      }
    },
    "playlistItem": {
      "resourceId": {
        "kind": string,
        "videoId": string,
      },
      "playlistId": string,
      "playlistItemId": string
    },
    "recommendation": {
      "resourceId": {
        "kind": string,
        "videoId": string,
        "channelId": string,
      },
      "reason": string,
      "seedResourceId": {
        "kind": string,
        "videoId": string,
        "channelId": string,
        "playlistId": string
      }
    },
    "social": {
      "type": string,
      "resourceId": {
        "kind": string,
        "videoId": string,
        "channelId": string,
        "playlistId": string
      },
      "author": string,
      "referenceUrl": string,
      "imageUrl": string
    },
    "channelItem": {
      "resourceId": {
      }
    },
  }
}