{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5c109dea2ecf12d7876e88c287577c940653b51445e3c0eaf1cdd30d72d1cf0c",
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    "signer": "0x095defda4b6508123083b4C285d471d92EC2aaA3",
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  }
}