{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100344",
    "entityType": "User",
    "nonce": "0xdad4f2ccbee7113e03340f91a864983e485df15af08f062271eacf2e144a6794",
    "signature": "0xdd579e3e7cce560a326a8a3c7a32a1ad18a1fd90ffa6c5b5495ccc89506935570cd8a4a55b9be7450875622650a361e99065eac5e9e4576cb22528fd468b89601c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}