{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322192",
    "entityType": "User",
    "nonce": "0x321bcd77efb631f4c7fbb19f865693c2f4e8b23f4b65cfe8db01b0d63b2654a6",
    "signature": "0xb49b3d4cdfef9f1fb65c6caeeddde13ea1981a4db94b1ddc53c2907acde78c360499df825d7efcaa08001b93d9a075c917591dee6f07994c1eaa888e94a6bfc21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}