{
  "manageEntity": {
    "action": "Save",
    "entityId": "665555769",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c0dacee77144f7d17e2b1f52ea56ca4fd8f4f72d46758fec18265c474cddc5d",
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}