{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "395416959",
    "entityType": "User",
    "nonce": "0xc8c4328cc450a76e17d2b16ade406cd69a48013b9b1f17ab2353fa7e54baa4e4",
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    "signer": "0x5AA75bC827165e10aC2D9B6402125fdBf5Df8E6d",
    "userId": "281087619"
  }
}