{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6d67e6d0d8a8f6a108e32539b3fdda723feb86d55feb226ea73893377edc3b33",
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}