{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xada3871b03a743a7fc38f1c26a565fb2fab5dd6202abea42142a909932b0e73a",
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}