{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaefd752c2c96ea703f5df1d0ee5a2d1c450415e7e2b9523321e7c48c4d9ae845",
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  }
}