{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4adcb476eb7de6e3b8d0ce9c41901b073a9e98314a8c753b55d0bee3473b411d",
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}