{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x6720d41e2853fbb66806ec4e0c9aa309fe753e9fcb08043614cea7e95bb1f5b2",
    "signature": "0x3692d6e8d47083fdb6fad46ecee38e0ec9e192d5bc944429f2801911edf419214a9a98ba51127a5476ab823630a0891065dc0997428756eed5c41779190a59fb1c",
    "signer": "0xb3168719A9181aDe0746f0F52D94015614eF5577",
    "userId": "409178654"
  }
}