{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf9a83b00ecb1c2c68985ec1f10c5837fcc3c1dedcc0555357705c8c0ff9c2561",
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}