{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "536740013",
    "entityType": "User",
    "nonce": "0xc60671758657394b36c6cea59580201694f023210f413e4678a70aea7df52d65",
    "signature": "0x03c496f096dbcf350553adc109a8a3cb24d43651bd63e9961a39dcfd75cf19625d89c3cc1970497046697d289bacd7cf1d1645254b7c79f5c34035c158d595e01c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}