{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37d2dd2b186d691b437a873b83d4db024dc5a8563b1919ce9c9064fbf1f3d927",
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}