{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbfb76ff63e16e2be988d888abf07bc45488b44c47c31d89a400d4b2ffdb8fa8e",
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  }
}