{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f7e4e27d8332f8a55f335dd3dd0431b28ed0610ed818385f44dd078e2d90239",
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}