{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d7102bfca4d270b3f61dd5b6d7cbb188d6f73613cc2ece5881212d1ce42d013",
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  }
}