{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x91789bf898c362b0f45158c0deb41d336843a38c3410c7632f7f9231c932ae05",
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}