{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x496f01efd8f915f72ee0f748e7b161dc99baa489a75c02e952557dcc5d5b69a3",
    "signature": "0x89e3a699e456611af7bcbc3068facb6b14fd852b407829ba84efc9801fcff13d42e321b9ba836223ec5d1c5104178b08e6a239adc53afa05b8cd6173152357161c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}