{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f8266acdff48e6139926686a247c80e2d13ad9217ee6bb2550a24b3db8676b7",
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}