{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0bd9d283bff9e85cee0639765ff76a66c66aa027849f0ee0a408ef62a185d08e",
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}