{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf3e72b5bcded1eef090cd6c8cc9c844d65a812586732751396be0e655a7d8c24",
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}