{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62311",
    "entityType": "User",
    "nonce": "0x94c265a23285896122d755cf332542f3410881fa9e8d21cceef88904f05e090b",
    "signature": "0x0487fc5baaee9db1fcb21a5249795d7383b957ee21804c1f3a150f3faf7fb5965e17f9d4b93f5e2ff37d1fc745cb733502d8dd5c991d90235cc3e5c9634d857c1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}