{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b16e0c123c05ae63f76a1ecd4004c341a1a0abe89ee1803f9cfbde107db2606",
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}