{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd984224306371923b53f3fe7730b17d9d929dafde916f566cef02ebc48b8a7e5",
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}