{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e03ecea5a6fe46451c58fb1b39725332994839f5fcf5bc6d54704133539aa8c",
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    "signer": "0xfc0047Ef8f8E03Cb351f4E97498Eed33372fE973",
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  }
}