{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc8dba8765fe9e7abc3b9bf4758a2d1c87804c07f73e58d11d01484b4f8e8bb15",
    "signature": "0xecea6684d7726c2684ca79b67f78030e20270b70a919cebda9afd62ddf249bea48a21d12a56498ae6bf8929df84dc82fc557da19e01b22d0dad8b9398fa9b8b01c",
    "signer": "0xFa7c9C053Eae032ea5c7E3079174f13AC66aF61b",
    "userId": "133205875"
  }
}