{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb70a4196ace78d572a2f85c27610539b5a77e6c870de083d65a0f57d8d6ba29e",
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}