{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa2e773a30bc5cc96c71f789e4b988ece2503007fd77be68d07fef1abd855b52f",
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}