{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x30e79b511730b61db5e0adef503b56549ee2cb43b92b18650e1bcad0725f4ae1",
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}