{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70149",
    "entityType": "User",
    "nonce": "0x762386bcb08b62a9a606936b6d3f25c27aa49d97845ca75b375a9513cbe72989",
    "signature": "0x19030ea9d8b4ddef41893df635493432717e1468cfc8730de8f4554fc721a86f1ba90fb1ddbe2718bfd0fc6fc684be41cbaccd4bcc1dcf007f2b87c5b4efef1d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}