{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xec8f123a0018fb5d910fe2dc39dee28ed2b8f9761701ec27482473db61cb556e",
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    "signer": "0x7bE37db95995dA6f7A04761610FfCFdD804a5cC6",
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  }
}