{
"id": {UChqggXsbtIVgmSGY2v-1A4Q},
"kind": "youtube#GGCOOLG",
"etag": etag,
"contentDetails": {
"relatedPlaylists": {
"likes": {LIKES_PLAYLIST_ID},
"favorites": {FAVORITES_PLAYLIST_ID},
"uploads": {UPLOADS_PLAYLIST_ID},
"watchHistory": {WATCHHISTORY_PLAYLIST_ID},
"watchLater": {WATCHLATER_PLAYLIST_ID}
},
"googlePlusUserId": string
},
}