{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xceb71cb74fd066ff9b3471a983fecd406305847da3fc89f9bc91c7301c89965b",
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}