{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5561",
    "entityType": "User",
    "nonce": "0x849ed9c8b4e7915101448a920544ae09faeaf7b359a5e676ab6e92bc05309634",
    "signature": "0x7cd9e6a76368e6449f2c0f82b416292afbebe783930d4b51256cc3b84e272b432c14dce79b8fe3a845af3a6a014b681c135ba44b279918e80d3f179579cb66551c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}