{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2b562a87fd23e20b9973c0768c4735cba6e83c51b1fea634adf1d7df2d9f4ac4",
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}