{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595543989",
    "entityType": "User",
    "nonce": "0x981370e5b4bd5d725349a73c71a2e6ebf29c39dc0d13bb6ffca230e5d919b732",
    "signature": "0xbe278e439583199ac6f8b56775e0bc8e8be8748e43098fa0670c7f330180ab470d43603bb7fc055ab90b8ea9f64aa2c12de2bf0225b364b0da6804e2b37208151c",
    "signer": "0x11d86beF1790364c156d20CAf3A0B8dD2a5f9eFD",
    "userId": "266084965"
  }
}