{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367113",
    "entityType": "User",
    "nonce": "0x84b60e6393340de27254b8c737b6847324f69d053002ef6525be754f64a10742",
    "signature": "0x9153befbc01879036373e89657cf615694ecba7f0746c5c47c37918a6cf560d00ff8cbe38ce97c5107d3f93069bff3ff92e4aafc2b783d3d8fa242356b30f7b31c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}