{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x169e59e112f6eb0de9a659afdb3db112a4c30b5a2ff433c971dbc803206439a9",
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}