{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf09f790d55fc5cef183e88b679a6bba4aa31bf5b6d6dd9dd3ee0f6cb4eee9cb3",
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}