{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x207ff6baeab7322ee996762e0c3a29816304a882c23b81cadf29c36564ba9867",
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}