{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8231889bed51dfbbaa7060a8e675e420856ab840cb141094e2d53b97d9c67679",
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}