{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x87bb0aedac271fc961c454a4c1f56a9bab2c2b257ed8c18e47f25462477a78cb",
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}