{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ca8c3216fd40c3b98122aa9acf2671c4596a82eea7b911f794b35f636a1b452",
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  }
}