{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x177d25f3b997203c83891ea402ba887a6be0a4f286ccbad0adca5b28d044deb5",
    "signature": "0xea0037bb4fdf93cddc2dea7af363f8ea3e6c357b34d56ab531f7a80760cd701f1516596002ee290bc80da0539aae010ca9e55ea4c129ed6b624f8c828525a0551c",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}