{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5e0aca41cbf358e4ae5454f8dd4fa98d2f909459ec758fbc429208475d7b5701",
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}