{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e7ec098aafacade19bb00d03143342ccceb6f4ae5108e87af2d1811db395651",
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    "userId": "587492476"
  }
}