{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0x41d93e5d896a606c2f65d3a3f063eb0cec5e2e9258ee6a36c41a688f5d21b936",
    "signature": "0xf577a26e71235ffab4b5a983302b738ca27a4b783b6e78ea5f126eda9b7c6cb5359789477e8022a36cac8a30cc04439b43e279507deb43c7353240e5533447051c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}