{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200165",
    "entityType": "User",
    "nonce": "0xb5857b14b236dc8e95a05737e7c48e9cc29c9f28dcb7ce78dd29acdef3c36a87",
    "signature": "0xffea926c620bd46a2f1b51985537c645267a340098ff9b843eaec1405a3943a60be669101d8f42bcdb9910c7f102625113dadee19a99f777151d17200816d6781c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}