{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b2bf068077c7f49b69d2598ad6f30ecc34851bd9b5e8ed303a523cf097c2c21",
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}