{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e97892caa52a174ca5b2f78532ea01befc2db96c2491e5be5c60090276147b3",
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}