{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xff43e9f9df8167174a015d74ca4ed458b1f898b81e0921b76d8eeb7535ee8502",
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}