{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x3bce61c69f8960cd9dea1acd6e9c1230d24c9d6c54aed3cbe5524bcd851cfae6",
    "signature": "0x0d20107e8e598cb3574257b7d59210b84adb72fe0b78ecdc0a5bf136d73413735c2282bfb7570f09886c188df966f3db0084ba3a18e5b8c650eb35e7a579eb071b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}