{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd5afde2406f59e4a29ea5045bc1e6523ce4a2f28136bd5299bdf928e802d3375",
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}