{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf8c8bab906fea71988baf3bfb69ebfdef89eab03115aa8c6d1e2f3f5574a4527",
    "signature": "0xaaa52ad90d104107a682c26cbaf418270899e31edccacf8280c397a1e94f2ac50f8176e7e66d35be9ce0c51a4c08a350d906318616c96827255396aaf0d933291c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}