{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa897db41a990be967d6e72e6d25e50221b600c637a90c00f8b28f1f1981c9430",
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}