{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4283",
    "entityType": "User",
    "nonce": "0xb6610cb4aec88338127a0183f67ad4d8c2cf0d053d157af94561212087e496d9",
    "signature": "0x6f903b4100a315a0b1535f9291d97faf6f263f5cf6ba2d9700af32718f64dcca321de9c80b57ab495a068a33d8856a67c76d36c91ebea9d918a9388510b9d7631c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}