{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68109",
    "entityType": "User",
    "nonce": "0xd5ef4d719ab57b455dcf3254249d7cd1ecffbe22196a655171205eb0695cb02a",
    "signature": "0x537f63f218dd2b9a4274af81fcde3377537f3b9510e86c2d5183013aacb809635592f70383e8cc1c46694b8cafabd319e1bce67197108ff473221520bda21ce01c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}