{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762593015",
    "entityType": "User",
    "nonce": "0xaf777f8da3437b4e54b6bc7bf4870b9f1564d07528191e2c50d8d71b497c97e3",
    "signature": "0x4c1e84addaebcfa5a4cfb8c18005f669743c4bc982ab7903af18d939a08e63b106c4ec7b75b660568830331a19f3d47114822c5b2c02e7c7cb1436ec8a8c15a21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}