{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x285bbf14daea888e004dbc08c62da6abf00d0ec7af3ed9b0985821a5a7db2c85",
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    "signer": "0xa53b329c92FaC9D5e60a7e377156d70D6e182DbE",
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  }
}