{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "320",
    "entityType": "User",
    "nonce": "0x0040911210d9ff84b0378f3afbe00b8ab3053c60dcf81ccd4dc3a0d7a11fcd32",
    "signature": "0xf4541881b03cd78f84bfd01864a29aa7b2e3f0e3b55bdaa22a5ccba43c57d6ec08f50237982bac425571d2c74606ca72e4e7349b975f14918d6364ae82ec0f371c",
    "signer": "0x64CFA35C141c7333C0b6f9008Ea3bE8e5dCB0B8E",
    "userId": "384526"
  }
}