{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x994bbc4958ede19d6d0f817f8915f16f050a47d196cd80ccc0d4827961b2cbce",
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  }
}