{
  "manageEntity": {
    "action": "Save",
    "entityId": "1178932800",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe4a7e1216587ef605e4aa83fb615a6862bf12e6424c8149b0a32aa95be53ad0b",
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    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
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  }
}