{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9bf0eeaca41f7652c9b66a265ec14cea297de474f33e5a272f02f9c7e2c55dc7",
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  }
}