{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb2ed59343d69d8be0016364256bab5748dcb307cf31356b0e37b4aa0e540b186",
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    "userId": "60008468"
  }
}