{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1abe28b4a201f182a5ab9f5422d6f1560fe5c802d6efe68b8faa6eb6957bd951",
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  }
}