{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaf0a40ecf88995d4976b8c69c9b679a99914471d8f1deab7603275d93a43b4c5",
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}