{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x486851472956e7403e1834ae1f1e8f1b4d7269d5d69a4567541e256fcec6aab0",
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}