{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "976",
    "entityType": "User",
    "nonce": "0xd497f21d30228cf5e3557004f2663104aaea26b912a609643fa3024c65e84171",
    "signature": "0xba40fd1d885c7a59e3620a8942d4971264caa9f6c34208fd49791c8ff2c579890d5603d40c0eaec02f0f7fe02067769512c34c210291f578c6e637de393950771b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}