{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf64b7bd156ecde12a0788a606694f3cd502e25f438aef2c9f2e6495dfe1b5342",
    "signature": "0x8de52b3de3ba5604ab8fe0eda77cef4e3371966009cb406abef7013313a6ecf009320093bcfac5716315b87e91974b231132e3cb107ff823b811f3e7dbf9a7e81c",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}