{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x84ff178129966d45c4a9a78c2cafa7208d5499f7cdcd00fd68815d6874892e33",
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}