{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x18bb2c4a0b7ef8fb415eab560595ca989127e631e2bc6f0520e5e9303dddffbc",
    "signature": "0xf66585fd050dd05fbc14dddcb5dc0580afaa3caa039b7020fb1a52b3eb3e9dd960c865f072e1a5f399da9d07abf931430896e2880b7d0c3fff5be6b73081b6411c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}