{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9dea0f083f4670f4a1b2c6e7942ca1a530a7a83b6399089188fac3352496e895",
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  }
}