{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x52d5c545076ac6e9e039d2bd50546b4a4180f4c6484814f0a6833ab233dec025",
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}