{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ee59ca01e88e82b55fdf1024d9617751f6d248196da638b7c032173340d30c1",
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}