{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51810",
    "entityType": "User",
    "nonce": "0x205e3165240cd65584070689f2f151ff1c0895c3734836e36176b9c6ed4fb6fe",
    "signature": "0xd810f65f3baf6990d769bcc83250db16d91251d54ec2eccdeac2371d5eb20cf6785ba317a709ac0dde7142a0436ab71628beb294906ae82ec470e5f80a951f501b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}