{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x5e27da748cc61ed91ffc372b2aa66e8a481d6ae4aef9f9de267bd9e2f4c75747",
    "signature": "0x31e2d73e29045f5c6a2531e081876c011c91660930526d1a4351ac57a9564f28152804aa07501c6087e18dfea65b7668137dd709877d8efdfa4ebdeeb05d2abc1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}