{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x50d23b8a9af085f337b87240aa778180f5b46c8602d4872886a5684c7684c4cd",
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}