{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x34054040c46b1fdf654cfc7231b0ae05a9d6636d6c1348f912a775717d61eec2",
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  }
}