{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5eebf00d6d73e5208e4912dcb221b2906a1750b788bcc800b31bf03b608e7f7d",
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}