{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9b8b056127a644a8a9f2b767e32af5f67cdca766e78fb61c16bf7770cbeae838",
    "signature": "0x4827b5f2a51c5db87d50dfdf111e26af907b042e8bb18e188261078d444a58672426e44df61df5ad254266295db43fe6c93064c5b18648a4e7ae170c577969181b",
    "signer": "0xE93BF52EF48746e1E02a0CE619fF7Bcd7145338d",
    "userId": "953848909"
  }
}