{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6d70b33adb4583ae72f08226801ba1422673450f9f43631810d55c8a1a9b6fa",
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}