{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "423654",
    "entityType": "User",
    "nonce": "0xc4799f7249cfd873a6251cb44b6bbeecfdb4fa5dc3926abe0eee8dea40855bc8",
    "signature": "0xcddbd39db2025c4fc656459e72d1d720e04161781e08ae624245541ed739f90e39425eaa1524a878a04a3c885a1fe61fa2024114749c2349189049682cce24321b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}