{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x939ebc269d2e592b50a0bafb74d0cd8740ce4ac536486a38ffff497945b436aa",
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  }
}