{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc374e7f737e49efd6f7a18a4b4931ac17ade1fda5e658862eb1622441a9a1fd1",
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}