{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718327235",
    "entityType": "User",
    "nonce": "0x679d784219d758814dc24723c56ffba7cf0de465a5d5c0cb06b95b709f62cc34",
    "signature": "0x64ff05bc3abc6529a353d395a8feba899cdcae33085bebf47176934b85444c062d64f018b1ea7962443d41aced37df245d1ae8ede7d03dcf95b20d15d022773f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}