{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbfb86114588c4422f0d5fb71a0da7e788962c8ca7487a37172461d1e171b6378",
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  }
}