{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xbe63065d7cb3fc698ffb819c0a89e8a135f03b671dd0db25092289034f8809db",
    "signature": "0x2e3b29beb255a58a4899c59e6570ae02f7714ed22afe8c482b2ffd879a9dd84665a7fbcb5cfa5f75b8ca4eb37eb94a3ff1963743bf55395258213b07c7c3da461b",
    "signer": "0xa8C7601e0019CF3CA78bb8a037FdDBeF68761B48",
    "userId": "928462194"
  }
}