{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139931",
    "entityType": "User",
    "nonce": "0x928e91c98881a82e865d92673eaad977c61dcdce454796b4b6a1f2c1ea72d51c",
    "signature": "0xe50bbd7cfbc85544b38b233a7c8f71c9574384fd948cf7565d7712b5494a12835debccbecedb2f1861f82c983623f7019ac08898f435d4b8d28d893c90eb08cf1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}