{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xecfe2c15fd3bd7d916f07410ef5aa5dd73795fbab55b1fcb9681aecff4c3988c",
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}