{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xddd4b64f381bddab580f4108645c2c0517cf5c27460d7c0ae28e9d60984b82d5",
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}