{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x67ddcc85041a5568d996e098fb7afe467aeb1e3e15fa2967859897bf768b1ab2",
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  }
}