{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x42612a9dda4ca5b545e7bb5a7cd577c7ce7ef3156acd98d8af83edab7861ae94",
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}